| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| peacemaker | noun | One who makes peace by reconciling parties that are at variance. |
| pea-jacket | noun | A thick loose woolen jacket, or coat, much worn by sailors in cold weather. |
| pearl-eyed | adjective | Having a pearly speck in the eye; afflicted with the cataract. |
| pearlstone | noun | A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic. |
| peccadillo | noun | A slight trespass or offense; a petty crime or fault. |
| pecopteris | noun | An extensive genus of fossil ferns; — so named from the regular comblike arrangement of the leaflets. |
| pectinated | adjective | Resembling the teeth of a comb., Having very narrow, close divisions, in arrangement and regularity resembling those of a comb; comblike; as, a pectinate leaf; pectinated muscles. See Illust. (e) of Antennae., Interlaced, like two combs. |
| pectorally | adverb | As connected with the breast. |
| peculating | present participle & vb. noun | of Peculate |
| peculation | noun | The act or practice of peculating, or of defrauding the public by appropriating to one’s own use the money or goods intrusted to one’s care for management or disbursement; embezzlement. |
| peculiarly | adverb | In a peculiar manner; particulary; in a rare and striking degree; unusually. |
| pedagogics | noun | The science or art of teaching; the principles and rules of teaching; pedagogy. |
| pedagogism | noun | The system, occupation, character, or manner of pedagogues. |
| pedantical | adjective | Of or pertaining to a pedant; characteristic of, or resembling, a pedant; ostentatious of learning; as, a pedantic writer; a pedantic description; a pedantical affectation. |
| pedanticly | adverb | Pedantically. |
| pederastic | adjective | Of or pertaining to pederasty. |
| pedestaled | adjective | Placed on, or supported by, a pedestal; figuratively, exalted. |
| pedestrial | adjective | Of or pertaining to the feet; employing the foot or feet. |
| pedestrian | adjective | Going on foot; performed on foot; as, a pedestrian journey., A walker; one who journeys on foot; a foot traveler; specif., a professional walker or runner. |
| pediculate | adjective | Of or pertaining to the Pediculati. |
| pediculati | noun pl. | An order of fishes including the anglers. See Illust. of Angler and Batfish. |
| pediculina | noun pl. | A division of parasitic hemipterous insects, including the true lice. See Illust. in Appendix. |
| pediculous | adjective | Pedicular. |
| pedigerous | adjective | Bearing or having feet or legs. |
| pedimanous | adjective | Having feet resembling hands, or with the first toe opposable, as the opossums and monkeys. |
| pedimental | adjective | Of or pertaining to a pediment. |
| pedipalpus | noun | One of the second pair of mouth organs of arachnids. In some they are leglike, but in others, as the scorpion, they terminate in a claw. |
| pedometric | adjective | Alt. of Pedometrical |
| pedomotive | adjective | Moved or worked by the action of the foot or feet on a pedal or treadle. |
| pedotrophy | noun | The art of nourishing children properly. |
| peduncular | adjective | Of or pertaining to a peduncle; growing from a peduncle; as, a peduncular tendril. |
| pegmatitic | adjective | Of, pertaining to, or resembling, pegmatite; as, the pegmatic structure of certain rocks resembling graphic granite. |
| peirameter | noun | A dynamometer for measuring the force required to draw wheel carriages on roads of different constructions. |
| pejorative | adjective | Implying or imputing evil; depreciatory; disparaging; unfavorable. |
| pelargonic | adjective | Pertaining to, or designating, an organic acid (called also nonoic acid) found in the leaves of the geranium (Pelargonium) and allied plants. |
| pelecypoda | noun pl. | Same as Lamellibranchia. |
| pellicular | adjective | Of or pertaining to a pellicle. |
| pellucidly | adverb | In a pellucid manner. |
| peltryware | noun | Peltry. |
| pelvimeter | noun | An instrument for measuring the dimensions of the pelvis. |
| penang nut | The betel nut. | |
| penannular | adjective | Nearly annular; having nearly the form of a ring. |
| pencilling | of Pencil | |
| pencillate | adjective | Alt. of Pencillated |
| pendentive | noun | The portion of a vault by means of which the square space in the middle of a building is brought to an octagon or circle to receive a cupola., The part of a groined vault which is supported by, and springs from, one pier or corbel. |
| penetrable | adjective | Capable of being penetrated, entered, or pierced. Used also figuratively. |
| penetralia | noun pl. | The recesses, or innermost parts, of any thing or place, especially of a temple or palace., Hidden things or secrets; privacy; sanctuary; as, the sacred penetralia of the home. |
| penetrance | noun | Alt. of Penetrancy |
| penetrancy | noun | The quality or state of being penetrant; power of entering or piercing; penetrating power of quality; as, the penetrancy of subtile effluvia. |
| penetrated | imp. & past participle | of Penetrate |
| penguinery | noun | A breeding place, or rookery, of penguins. |
| peninsular | adjective | Of or pertaining to a peninsula; as, a peninsular form; peninsular people; the peninsular war. |
| penitencer | noun | A priest who heard confession and enjoined penance in extraordinary cases. |
| penitently | adverb | In a penitent manner. |
| penmanship | noun | The use of the pen in writing; the art of writing; style or manner of writing; chirography; as, good or bad penmanship. |
| pennaceous | adjective | Like or pertaining to a normal feather. |
| pennatulae | plural | of Pennatula |
| pennatulas | plural | of Pennatula |
| pennyroyal | noun | An aromatic herb (Mentha Pulegium) of Europe; also, a North American plant (Hedeoma pulegioides) resembling it in flavor. |
| pennyworth | noun | A penny’s worth; as much as may be bought for a penny., Hence: The full value of one’s penny expended; due return for money laid out; a good bargain; a bargain., A small quantity; a trifle. |
| penologist | noun | One versed in, or a student of, penology. |
| pensioning | present participle & vb. noun | of Pension |
| pensionary | adjective | Maintained by a pension; receiving a pension; as, pensionary spies., Consisting of a pension; as, a pensionary provision for maintenance., One who receives a pension; a pensioner., One of the chief magistrates of towns in Holland. |
| pentabasic | adjective | Capable of uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; — said of certain acids. |
| pentachord | noun | An ancient instrument of music with five strings., An order or system of five sounds. |
| pentacrons | plural | of Pentacron |
| pentagonal | adjective | Having five corners or angles. |
| pentagynia | noun pl. | A Linnaean order of plants, having five styles or pistils. |
| pentameran | noun | One of the Pentamera. |
| pentamerus | noun | A genus of extinct Paleozoic brachiopods, often very abundant in the Upper Silurian. |
| pentameter | noun | A verse of five feet., Having five metrical feet. |
| pentandria | noun pl. | A Linnaean class of plants having five separate stamens. |
| pentaptote | noun | A noun having five cases. |
| pentaptych | noun | A picture, or combination of pictures, consisting of a centerpiece and double folding doors or wings, as for an altarpiece. |
| pentaspast | noun | A purchase with five pulleys. |
| pentastich | noun | A composition consisting of five verses. |
| pentastyle | adjective | Having five columns in front; — said of a temple or portico in classical architecture., A portico having five columns. |
| pentateuch | noun | The first five books of the Old Testament, collectively; — called also the Law of Moses, Book of the Law of Moses, etc. |
| pentathlon | noun | A fivefold athletic performance peculiar to the great national games of the Greeks, including leaping, foot racing, wrestling, throwing the discus, and throwing the spear. |
| pentatomic | adjective | Having five atoms in the molecule., Having five hydrogen atoms capable of substitution. |
| pentecosty | noun | A troop of fifty soldiers in the Spartan army; — called also pentecostys. |
| pentelican | adjective | Of or pertaining to Mount Pentelicus, near Athens, famous for its fine white marble quarries; obtained from Mount Pentelicus; as, the Pentelic marble of which the Parthenon is built. |
| pentremite | noun | Any species of Pentremites. |
| penumbrala | Of or pertaining to a penumbra; resembling a penumbra; partially illuminated. | |
| peopleless | adjective | Destitute of people. |
| peppercorn | noun | A dried berry of the black pepper (Piper nigrum)., Anything insignificant; a particle. |
| pepperidge | noun | A North American tree (Nyssa multiflora) with very tough wood, handsome oval polished leaves, and very acid berries, — the sour gum, or common tupelo. See Tupelo. |
| peppermint | noun | An aromatic and pungent plant of the genus Mentha (M. piperita), much used in medicine and confectionery., A volatile oil (oil of peppermint) distilled from the fresh herb; also, a well-known essence or spirit (essence of peppermint) obtained from it., A lozenge of sugar flavored with peppermint. |
| pepperwort | noun | See Peppergrass. |
| pepsinogen | noun | The antecedent of the ferment pepsin. A substance contained in the form of granules in the peptic cells of the gastric glands. It is readily convertible into pepsin. Also called propepsin. |
| peptogenic | adjective | Same as Peptogenous. |
| peptonuria | noun | The presence of peptone, or a peptonelike body, in the urine. |
| perbromate | noun | A salt of perbromic acid. |
| perbromide | noun | A bromide having a higher proportion of bromine than any other bromide of the same substance or series. |
| percarbide | noun | A compound containing a relatively large amount of carbon. |
| perceiving | present participle & vb. noun | of Perceive |
| percentage | noun | A certain rate per cent; the allowance, duty, rate of interest, discount, or commission, on a hundred. |
| perception | noun | The act of perceiving; cognizance by the senses or intellect; apperhension by the bodily organs, or by the mind, of what is presented to them; discernment; apperhension; cognition., The faculty of perceiving; the faculty, or peculiar part, of man’s constitution by which he has knowledge through the medium or instrumentality of the bodily organs; the act of apperhending material objects or qualities through the senses; — distinguished from conception., The quality, state, or capability, of being affected by something external; sensation; sensibility., An idea; a notion. |
| perceptive | adjective | Of or pertaining to the act or power of perceiving; having the faculty or power of perceiving; used in perception. |
| percesoces | noun pl. | An order of fishes including the gray mullets (Mugil), the barracudas, the silversides, and other related fishes. So called from their relation both to perches and to pikes. |
| perchloric | adjective | Pertaining to, or designating, the highest oxygen acid (HClO4), of chlorine; — called also hyperchloric. |
| perchromic | adjective | Pertaining to, or designating, a certain one of the highly oxidized compounds of chromium, which has a deep blue color, and is produced by the action of hydrogen peroxide. |
| percipient | adjective | Having the faculty of perception; perceiving; as, a percipient being., One who, or that which, is percipient. |
| percolated | imp. & past participle | of Percolate |
| percolator | noun | One who, or that which, filters. |
| perculaced | adjective | Latticed. See Lattice, n., 2. |
| percurrent | adjective | Running through the entire length. |
| percursory | adjective | Running over slightly or in haste; cursory. |
| percussing | present participle & vb. noun | of Percuss |
| percussion | noun | The act of percussing, or striking one body against another; forcible collision, esp. such as gives a sound or report., Hence: The effect of violent collision; vibratory shock; impression of sound on the ear., The act of tapping or striking the surface of the body in order to learn the condition of the parts beneath by the sound emitted or the sensation imparted to the fingers. Percussion is said to be immediate if the blow is directly upon the body; if some interventing substance, as a pleximeter, is, used, it is called mediate. |
| percussive | adjective | Striking against; percutient; as, percussive force. |
| percutient | adjective | Striking; having the power of striking., That which strikes, or has power to strike. |
| perdurable | noun | Very durable; lasting; continuing long. |
| perdurance | noun | Alt. of Perduration |
| peremption | noun | A quashing; a defeating. |
| peremptory | adjective | Precluding debate or expostulation; not admitting of question or appeal; positive; absolute; decisive; conclusive; final., Positive in opinion or judgment; decided; dictatorial; dogmatical., Firmly determined; unawed. |
| perfecting | present participle & vb. noun | of Perfect |
| perfection | noun | The quality or state of being perfect or complete, so that nothing requisite is wanting; entire development; consummate culture, skill, or moral excellence; the highest attainable state or degree of excellence; maturity; as, perfection in an art, in a science, or in a system; perfection in form or degree; fruits in perfection., A quality, endowment, or acquirement completely excellent; an ideal faultlessness; especially, the divine attribute of complete excellence., To perfect. |
| perfective | adjective | Tending or conducing to make perfect, or to bring to perfection; — usually followed by of. |
| perficient | adjective | Making or doing throughly; efficient; effectual., One who performs or perfects a work; especially, one who endows a charity. |
| perfidious | adjective | Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; teacherous; faithless; as, a perfidious friend., Involving, or characterized by, perfidy. |
| perflation | noun | The act of perflating. |
| perfoliate | adjective | Having the basal part produced around the stem; — said of leaves which the stem apparently passes directory through., Surrounded by a circle of hairs, or projections of any kind. |
| perforated | imp. & past participle | of Perforate, Pierced with a hole or holes, or with pores; having transparent dots resembling holes. |
| perforator | noun | One who, or that which, perforates; esp., a cephalotome. |
| performing | present participle & vb. noun | of Perform |
| perfricate | verb t. | To rub over. |
| periastral | adjective | Among or around the stars. |
| periastron | noun | That point, in the real or apparent orbit of one star revolving around another, at which the former is nearest to the latter. |
| pericardic | adjective | Pericardiac. |
| pericarpic | adjective | Of or pertaining to a pericarp. |
| perichaeth | noun | The leafy involucre surrounding the fruit stalk of mosses; perichaetium; perichete. |
| periclinia | plural | of Periclinium |
| periculous | adjective | Dangerous; full of peril. |
| peridotite | noun | An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine. |
| periecians | noun pl. | See Perioecians. |
| perigonium | noun | Same as Perigone. |
| perigynium | noun | Some unusual appendage about the pistil, as the bottle-shaped body in the sedges, and the bristles or scales in some other genera of the Sedge family, or Cyperaceae. |
| perigynous | adjective | Having the ovary free, but the petals and stamens borne on the calyx; — said of flower such as that of the cherry or peach. |
| perihelion | noun | Alt. of Perihelium |
| perihelium | noun | That point of the orbit of a planet or comet which is nearest to the sun; — opposed to aphelion. |
| perimetric | adjective | Alt. of Perimetrical |
| perimysial | adjective | Surrounding a muscle or muscles., Of or pertaining to the perimysium. |
| perimysium | noun | The connective tissue sheath which surrounds a muscle, and sends partitions inwards between the bundles of muscular fibers. |
| periodical | adjective | Of or pertaining to a period or periods, or to division by periods., Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun., Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics., Of or pertaining to a period; constituting a complete sentence., A magazine or other publication which appears at stated or regular intervals. |
| periosteal | adjective | Situated around bone; of or pertaining to the periosteum. |
| periosteum | noun | The membrane of fibrous connective tissue which closely invests all bones except at the articular surfaces. |
| peripheral | adjective | Of or pertaining to a periphery; constituting a periphery; peripheric., External; away from the center; as, the peripheral portion of the nervous system. |
| peripheric | adjective | Alt. of Peripherical |
| periphrase | noun | The use of more words than are necessary to express the idea; a roundabout, or indirect, way of speaking; circumlocution., To express by periphrase or circumlocution., To use circumlocution. |
| peripteral | adjective | Having columns on all sides; — said of an edifice. See Apteral. |
| periscians | noun pl. | Alt. of Periscii |
| periscopic | adjective | Viewing all around, or on all sides., of or relating to a periscope{2}. |
| perishable | adjective | Liable to perish; subject to decay, destruction, or death; as, perishable goods; our perishable bodies. |
| perishably | adverb | In a perishable degree or manner. |
| perishment | noun | The act of perishing. |
| perisomata | plural | of Perisoma |
| peristeria | noun | A genus of orchidaceous plants. See Dove plant. |
| peritomous | adjective | Cleaving in more directions than one, parallel to the axis. |
| peritoneal | adjective | Of or pertaining to the peritoneum. |
| peritoneum | noun | The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac. |
| peritricha | noun pl. | A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticellas. See Vorticella. |
| peritropal | adjective | Rotatory; circuitous., Having the axis of the seed perpendicular to the axis of the pericarp to which it is attached. |
| perwigging | present participle & vb. noun | of Periwig |
| periwinkle | noun | Any small marine gastropod shell of the genus Littorina. The common European species (Littorina littorea), in Europe extensively used as food, has recently become naturalized abundantly on the American coast. See Littorina., A trailing herb of the genus Vinca. |
| perjurious | adjective | Alt. of Perjurous |
| perlaceous | adjective | Pearly; resembling pearl. |
| permanable | adjective | Permanent; durable. |
| permanence | noun | Alt. of Permanency |
| permanency | noun | The quality or state of being permanent; continuance in the same state or place; duration; fixedness; as, the permanence of institutions; the permanence of nature. |
| permansion | noun | Continuance. |
| permeating | present participle & vb. noun | of Permeate |
| permeation | noun | The act of permeating, passing through, or spreading throughout, the pores or interstices of any substance. |
| permission | noun | The act of permitting or allowing; formal consent; authorization; leave; license or liberty granted. |
| permissive | adjective | Permitting; granting leave or liberty., Permitted; tolerated; suffered. |
| permistion | noun | The act of mixing; the state of being mingled; mixture. |
| permitting | present participle & vb. noun | of Permit |
| permixtion | noun | See Permission. |
| permutable | adjective | Capable of being permuted; exchangeable. |
| pernicious | adjective | Quick; swift (to burn)., Having the quality of injuring or killing; destructive; very mischievous; baleful; malicious; wicked. |
| perofskite | noun | A titanate of lime occurring in octahedral or cubic crystals. |
| peroration | noun | The concluding part of an oration; especially, a final summing up and enforcement of an argument. |
| peroxidize | verb t. | To oxidize to the utmost degree, so as to form a peroxide. |
| perpension | noun | Careful consideration; pondering. |
| perpensity | noun | Perpension. |
| perpession | noun | Suffering; endurance. |
| perpetrate | verb t. | To do or perform; to carry through; to execute, commonly in a bad sense; to commit (as a crime, an offense); to be guilty of; as, to perpetrate a foul deed. |
| perpetuate | verb t. | To make perpetual; to cause to endure, or to be continued, indefinitely; to preserve from extinction or oblivion; to eternize., Made perpetual; perpetuated. |
| perpetuity | noun | The quality or state of being perpetual; as, the perpetuity of laws., Something that is perpetual., Endless time., The number of years in which the simple interest of any sum becomes equal to the principal., The number of years’ purchase to be given for an annuity to continue forever., A perpetual annuity., Duration without limitations as to time., The quality or condition of an estate by which it becomes inalienable, either perpetually or for a very long period; also, the estate itself so modified or perpetuated. |
| perplexing | present participle & vb. noun | of Perplex, Embarrassing; puzzling; troublesome. |
| perplexity | noun | The quality or state of being perplexed or puzzled; complication; intricacy; entanglement; distraction of mind through doubt or difficulty; embarrassment; bewilderment; doubt. |
| perquisite | noun | Something gained from a place or employment over and above the ordinary salary or fixed wages for services rendered; especially, a fee allowed by law to an officer for a specific service., Things gotten by a man’s own industry, or purchased with his own money, as opposed to things which come to him by descent. |
| perruquier | noun | A marker of perukes or wigs. |
| persecuted | imp. & past participle | of Persecute |
| persecutor | noun | One who persecutes, or harasses. |
| persevered | imp. & past participle | of Persevere |
| persicaria | noun | See Lady’s thumb. |
| persiflage | noun | Frivolous or bantering talk; a frivolous manner of treating any subject, whether serious or otherwise; light raillery. |
| persifleur | noun | One who indulges in persiflage; a banterer; a quiz. |
| persisting | present participle & vb. noun | of Persist, Inclined to persist; tenacious of purpose; persistent. |
| persistent | adjective | Inclined to persist; having staying qualities; tenacious of position or purpose., Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; — opposed to deciduous, and caducous. |
| persistive | adjective | See Persistent. |
| personable | adjective | Having a well-formed body, or person; graceful; comely; of good appearance; presentable; as, a personable man or woman., Enabled to maintain pleas in court., Having capacity to take anything granted. |
| personally | adverb | In a personal manner; by bodily presence; in person; not by representative or substitute; as, to deliver a letter personally., With respect to an individual; as regards the person; individually; particularly., With respect to one’s individuality; as regards one’s self; as, personally I have no feeling in the matter. |
| personalty | noun | The state of being a person; personality., Personal property, as distinguished from realty or real property. |
| personated | imp. & past participle | of Personate |
| personator | noun | One who personates. |
| personeity | noun | Personality. |
| perspicacy | noun | Perspicacity. |
| perspiring | present participle & vb. noun | of Perspire |
| perstringe | verb t. | To touch; to graze; to glance on., To criticise; to touch upon. |
| persuading | present participle & vb. noun | of Persuade |
| persuasion | noun | The act of persuading; the act of influencing the mind by arguments or reasons offered, or by anything that moves the mind or passions, or inclines the will to a determination., The state of being persuaded or convinced; settled opinion or conviction, which has been induced., A creed or belief; a sect or party adhering to a certain creed or system of opinions; as, of the same persuasion; all persuasions are agreed., The power or quality of persuading; persuasiveness., That which persuades; a persuasive. |
| persuasive | adjective | Tending to persuade; having the power of persuading; as, persuasive eloquence., That which persuades; an inducement; an incitement; an exhortation. |
| persuasory | adjective | Persuasive. |
| pertaining | present participle & vb. noun | of Pertain |
| pertinence | noun | Alt. of Pertinency |
| pertinency | noun | The quality or state of being pertinent; justness of relation to the subject or matter in hand; fitness; appositeness; relevancy; suitableness. |
| perturbate | verb t. | To perturb., Perturbed; agitated. |
| perversely | adverb | In a perverse manner. |
| perversion | noun | The act of perverting, or the state of being perverted; a turning from truth or right; a diverting from the true intent or object; a change to something worse; a turning or applying to a wrong end or use. |
| perversity | noun | The quality or state of being perverse; perverseness. |
| perversive | adjective | Tending to pervert. |
| perverting | present participle & vb. noun | of Pervert |
| pesterment | noun | The act of pestering, or the state of being pestered; vexation; worry. |
| pestilence | noun | Specifically, the disease known as the plague; hence, any contagious or infectious epidemic disease that is virulent and devastating., Fig.: That which is pestilent, noxious, or pernicious to the moral character of great numbers. |
| petaliform | adjective | Having the form of a petal; petaloid; petal-shaped. |
| petiolated | adjective | Having a stalk or petiole; as, a petioleate leaf; the petiolated abdomen of certain Hymenoptera. |
| petitioned | imp. & past participle | of Petition |
| petitionee | noun | A person cited to answer, or defend against, a petition. |
| petitioner | noun | One who presents a petition. |
| petrescent | adjective | Petrifying; converting into stone; as, petrescent water. |
| petrifying | present participle & vb. noun | of Petrify |
| petrohyoid | adjective | Pertaining to petrous, oe periotic, portion of the skull and the hyoid arch; as, the petrohyoid muscles of the frog. |
| petrolatum | noun | A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments. |
| petroleuse | noun f. | One who makes use of petroleum for incendiary purposes. |
| petrologic | adjective | Alt. of Petrological |
| petrosilex | noun | Felsite. |
| pettichaps | noun | See Pettychaps. |
| pettychaps | noun | Any one of several species of small European singing birds of the subfamily Sylviinae, as the willow warbler, the chiff-chaff, and the golden warbler (Sylvia hortensis). |
| petulantly | adverb | In a petulant manner. |
| peucedanin | noun | A tasteless white crystalline substance, extracted from the roots of the sulphurwort (Peucedanum), masterwort (Imperatoria), and other related plants; — called also imperatorin. |