11 letter word starting with ac

Words Parts of Speech Meaning/Definition/Similar Words
academicals noun pl. The articles of dress prescribed and worn at some colleges and universities.
academician noun A member of an academy, or society for promoting science, art, or literature, as of the French Academy, or the Royal Academy of arts., A collegian.
academicism noun A tenet of the Academic philosophy., A mannerism or mode peculiar to an academy.
acalysinous adjective Without a calyx, or outer floral envelope.
acarpellous adjective Having no carpels.
acatalectic adjective Not defective; complete; as, an acatalectic verse., A verse which has the complete number of feet and syllables.
acataleptic adjective Incapable of being comprehended; incomprehensible.
acaulescent adjective Having no stem or caulis, or only a very short one concealed in the ground.
accelerando adjective Gradually accelerating the movement.
accelerated imp. & past participle of Accelerate
accelerator noun One who, or that which, accelerates. Also as an adj.; as, accelerator nerves.
accentuable adjective Capable of being accented.
accentually adverb In an accentual manner; in accordance with accent.
accentuated imp. & past participle of Accentuate
acceptation noun Acceptance; reception; favorable reception or regard; state of being acceptable., The meaning in which a word or expression is understood, or generally received; as, term is to be used according to its usual acceptation.
accessarily adverb In the manner of an accessary.
accessaries plural of Accessary
accessional adjective Pertaining to accession; additional.
accessorial adjective Of or pertaining to an accessory; as, accessorial agency, accessorial guilt.
accessorily adverb In the manner of an accessory; auxiliary.
accessories plural of Accessory
accipitrine adjective Like or belonging to the Accipitres; raptorial; hawklike.
acclamation noun A shout of approbation, favor, or assent; eager expression of approval; loud applause., A representation, in sculpture or on medals, of people expressing joy.
acclamatory adjective Pertaining to, or expressing approval by, acclamation.
acclimating present participle & vb. noun of Acclimate
acclimation noun The process of becoming, or the state of being, acclimated, or habituated to a new climate; acclimatization.
acclimatize verb t. To inure or habituate to a climate different from that which is natural; to adapt to the peculiarities of a foreign or strange climate; said of man, the inferior animals, or plants.
acclimature noun The act of acclimating, or the state of being acclimated.
acclivitous adjective Acclivous.
acclivities plural of Acclivity
accommodate verb t. To render fit, suitable, or correspondent; to adapt; to conform; as, to accommodate ourselves to circumstances., To bring into agreement or harmony; to reconcile; to compose; to adjust; to settle; as, to accommodate differences, a dispute, etc., To furnish with something desired, needed, or convenient; to favor; to oblige; as, to accommodate a friend with a loan or with lodgings., To show the correspondence of; to apply or make suit by analogy; to adapt or fit, as teachings to accidental circumstances, statements to facts, etc.; as, to accommodate prophecy to events., To adapt one’s self; to be conformable or adapted., Suitable; fit; adapted; as, means accommodate to end.
accompanier noun He who, or that which, accompanies.
accompanist noun The performer in music who takes the accompanying part.
accompanied imp. & past participle of Accompany
accomptable adjective See Accountable.
accordantly adverb In accordance or agreement; agreeably; conformably; — followed by with or to.
accordingly adverb Agreeably; correspondingly; suitably; in a manner conformable., In natural sequence; consequently; so.
accorporate verb t. To unite; to attach; to incorporate.
accoucheuse noun A midwife.
accountable adjective Liable to be called on to render an account; answerable; as, every man is accountable to God for his conduct., Capable of being accounted for; explicable.
accountably adverb In an accountable manner.
accountancy noun The art or employment of an accountant.
accoutering present participle & vb. noun of Accoutre
accrediting present participle & vb. noun of Accredit
accrescence noun Continuous growth; an accretion.
accriminate verb t. To accuse of a crime.
accumulated imp. & past participle of Accumulate
accumulator noun One who, or that which, accumulates, collects, or amasses., An apparatus by means of which energy or power can be stored, such as the cylinder or tank for storing water for hydraulic elevators, the secondary or storage battery used for accumulating the energy of electrical charges, etc., A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging.
accusatival adjective Pertaining to the accusative case.
accustoming present participle & vb. noun of Accustom
accustomary adjective Usual; customary.
acetanilide noun A compound of aniline with acetyl, used to allay fever or pain; — called also antifebrine.
acharnement noun Savage fierceness; ferocity.
achievement noun The act of achieving or performing; an obtaining by exertion; successful performance; accomplishment; as, the achievement of his object., A great or heroic deed; something accomplished by valor, boldness, or praiseworthy exertion; a feat., An escutcheon or ensign armorial; now generally applied to the funeral shield commonly called hatchment.
achlamydate adjective Not possessing a mantle; — said of certain gastropods.
achromatism noun The state or quality of being achromatic; as, the achromatism of a lens; achromaticity.
achromatize verb t. To deprive of color; to make achromatic.
aciculiform adjective Needle-shaped; acicular.
acidiferous adjective Containing or yielding an acid.
acidifiable adjective Capable of being acidified, or converted into an acid.
acidulating present participle & vb. noun of Acidulate
acinaciform adjective Scimeter-shaped; as, an acinaciform leaf.
acinetiform adjective Resembling the Acinetae.
acknowledge verb t. To of or admit the knowledge of; to recognize as a fact or truth; to declare one’s belief in; as, to acknowledge the being of a God., To own or recognize in a particular character or relationship; to admit the claims or authority of; to give recognition to., To own with gratitude or as a benefit or an obligation; as, to acknowledge a favor, the receipt of a letter., To own as genuine; to assent to, as a legal instrument, to give it validity; to avow or admit in legal form; as, to acknowledgea deed.
aconddylose adjective Alt. of Acondylous
acorn-shell noun One of the sessile cirripeds; a barnacle of the genus Balanus. See Barnacle.
acoustician noun One versed in acoustics.
acquainting present participle & vb. noun of Acquaint
acquaintant noun An acquaintance.
acquiescing present participle & vb. noun of Acquiesce
acquiescent adjective Resting satisfied or submissive; disposed tacitly to submit; assentive; as, an acquiescent policy.
acquirement noun The act of acquiring, or that which is acquired; attainment.
acquisition noun The act or process of acquiring., The thing acquired or gained; an acquirement; a gain; as, learning is an acquisition.
acquisitive adjective Acquired., Able or disposed to make acquisitions; acquiring; as, an acquisitive person or disposition.
acquittance noun The clearing off of debt or obligation; a release or discharge from debt or other liability., A writing which is evidence of a discharge; a receipt in full, which bars a further demand., To acquit.
acrimonious adjective Acrid; corrosive; as, acrimonious gall., Caustic; bitter-tempered’ sarcastic; as, acrimonious dispute, language, temper.
acrocarpous adjective Having a terminal fructification; having the fruit at the end of the stalk., Having the fruit stalks at the end of a leafy stem, as in certain mosses.
acrocephaly noun Loftiness of skull.
acronycally adverb In an acronycal manner as rising at the setting of the sun, and vice versa.
acronyctous adjective Acronycal.
acropolitan adjective Pertaining to an acropolis.
acrosporous adjective Having acrospores.
acrotarsium noun The instep or front of the tarsus.
actinograph noun An instrument for measuring and recording the variations in the actinic or chemical force of rays of light.
actinolitic adjective Of the nature of, or containing, actinolite.
actinometer noun An instrument for measuring the direct heating power of the sun’s rays., An instrument for measuring the actinic effect of rays of light.
actinometry noun The measurement of the force of solar radiation., The measurement of the chemical or actinic energy of light.
actinostome noun The mouth or anterior opening of a coelenterate animal.
actualities plural of Actuality
acumination noun A sharpening; termination in a sharp point; a tapering point.
acupressure noun A mode of arresting hemorrhage resulting from wounds or surgical operations, by passing under the divided vessel a needle, the ends of which are left exposed externally on the cutaneous surface.
acupuncture noun Pricking with a needle; a needle prick., The insertion of needles into the living tissues for remedial purposes., To treat with acupuncture.
acutangular adjective Acute-angled.
acutilobate adjective Having acute lobes, as some leaves.