| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| thalassian | noun | Any sea tortoise. |
| thanksgive | verb t. | To give or dedicate in token of thanks. |
| theatrical | adjective | Of or pertaining to a theater, or to the scenic representations; resembling the manner of dramatic performers; histrionic; hence, artificial; as, theatrical performances; theatrical gestures. |
| thecaphore | noun | A surface or organ bearing a theca, or covered with thecae., See Basigynium. |
| thecophora | noun pl. | A division of hydroids comprising those which have the hydranths in thecae and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea. |
| theistical | adjective | Of or pertaining to theism, or a theist; according to the doctrine of theists. |
| themselves | pronoun | The plural of himself, herself, and itself. See Himself, Herself, Itself. |
| thenardite | noun | Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster. |
| thencefrom | adverb | From that place. |
| theobromic | adjective | Of, pertaining to, or designating, an acid extracted from cacao butter (from the Theobroma Cacao), peanut oil (from Arachis hypogaea), etc., as a white waxy crystalline substance. |
| theocratic | adjective | Alt. of Theocratical |
| theodolite | noun | An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed. |
| theogonism | noun | Theogony. |
| theogonist | noun | A writer on theogony. |
| theologian | noun | A person well versed in theology; a professor of theology or divinity; a divine. |
| theologics | noun | Theology. |
| theologist | noun | A theologian. |
| theologize | verb t. | To render theological; to apply to divinity; to reduce to a system of theology., To frame a system of theology; to theorize or speculate upon theological subjects. |
| theologies | plural | of Theology |
| theopathic | adjective | Of or pertaining to a theopathy. |
| theophanic | adjective | Of or pertaining to a theopany; appearing to man, as a god. |
| theoretics | noun | The speculative part of a science; speculation. |
| theorizing | present participle & vb. noun | of Theorize |
| theosopher | noun | A theosophist. |
| theosophic | adjective | Alt. of Theosophical |
| thereabout | adverb | Alt. of Thereabouts |
| thereafter | adverb | After that; afterward., According to that; accordingly., Of that sort. |
| thereagain | adverb | In opposition; against one’s course. |
| thereology | noun | Therapeutios. |
| thereunder | adverb | Under that or this. |
| therewhile | adverb | At that time; at the same time. |
| theriodont | noun | One of the Theriodontia. Used also adjectively. |
| theriotomy | noun | Zootomy. |
| thermology | noun | A discourse on, or an account of, heat. |
| thermolyze | verb t. | To subject to thermolysis; to dissociate by heat. |
| thermopile | noun | An instrument of extreme sensibility, used to determine slight differences and degrees of heat. It is composed of alternate bars of antimony and bismuth, or any two metals having different capacities for the conduction of heat, connected with an astatic galvanometer, which is very sensibly affected by the electric current induced in the system of bars when exposed even to the feeblest degrees of heat. |
| thermostat | noun | A self-acting apparatus for regulating temperature by the unequal expansion of different metals, liquids, or gases by heat, as in opening or closing the damper of a stove, or the like, as the heat becomes greater or less than is desired. |
| thermotics | noun | The science of heat. |
| thermotype | noun | A picture (as of a slice of wood) obtained by first wetting the object slightly with hydrochloric or dilute sulphuric acid, then taking an impression with a press, and next strongly heating this impression. |
| thermotypy | noun | The art or process of obtaining thermotypes. |
| thessalian | adjective | Of or pertaining to Thessaly in Greece., A native or inhabitant of Thessaly. |
| theurgical | adjective | Of or pertaining to theurgy; magical. |
| thickening | present participle & vb. noun | of Thicken, Something put into a liquid or mass to make it thicker. |
| thick-knee | noun | A stone curlew. See under Stone. |
| thickskull | noun | A dullard, or dull person; a blockhead; a numskull. |
| thick wind | A defect of respiration in a horse, that is unassociated with noise in breathing or with the signs of emphysema. | |
| thiderward | adverb | Thitherward. |
| thimbleeye | noun | The chub mackerel. See under Chub. |
| thimbleful | noun | As much as a thimble will hold; a very small quantity. |
| thimblerig | noun | A sleight-of-hand trick played with three small cups, shaped like thimbles, and a small ball or little pea., To swindle by means of small cups or thimbles, and a pea or small ball placed under one of them and quickly shifted to another, the victim laying a wager that he knows under which cup it is; hence, to cheat by any trick. |
| thiocyanic | adjective | Same as Sulphocyanic. |
| thionoline | noun | A beautiful fluorescent crystalline substance, intermediate in composition between thionol and thionine. |
| thiophenic | adjective | Of, pertaining to, or derived from, thiophene; specifically, designating a certain acid analogous to benzoic acid. |
| thiophenol | noun | A colorless mobile liquid, C6H5.SH, of an offensive odor, and analogous to phenol; — called also phenyl sulphydrate. |
| thiotolene | noun | A colorless oily liquid, C4H3S.CH3, analogous to, and resembling, toluene; — called also methyl thiophene. |
| thirteenth | adjective | Next in order after the twelfth; the third after the tenth; — the ordinal of thirteen; as, the thirteenth day of the month., Constituting or being one of thirteen equal parts into which anything is divided., The quotient of a unit divided by thirteen; one of thirteen equal parts into which anything is divided., The next in order after the twelfth., The interval comprising an octave and a sixth. |
| thomsonian | adjective | Of or pertaining to Thomsonianism., A believer in Thomsonianism; one who practices Thomsonianism. |
| thomsonite | noun | A zeolitic mineral, occurring generally in masses of a radiated structure. It is a hydrous silicate of aluminia, lime, and soda. Called also mesole, and comptonite. |
| thoroughly | adverb | In a thorough manner; fully; entirely; completely. |
| thoughtful | adjective | Full of thought; employed in meditation; contemplative; as, a man of thoughtful mind., Attentive; careful; exercising the judgment; having the mind directed to an object; as, thoughtful of gain; thoughtful in seeking truth., Anxious; solicitous; concerned. |
| thousandth | adjective | Next in order after nine hundred and ninty-nine; coming last of a thousand successive individuals or units; — the ordinal of thousand; as, the thousandth part of a thing., Constituting, or being one of, a thousand equal parts into which anything is divided; the tenth of a hundredth., Occurring as being one of, or the last one of, a very great number; very small; minute; — used hyperbolically; as, to do a thing for the thousandth time., The quotient of a unit divided by a thousand; one of a thousand equal parts into which a unit is divided. |
| thrackscat | noun | Metal still in the mine. |
| threadbare | adjective | Worn to the naked thread; having the nap worn off; threadbare clothes., Fig.: Worn out; as, a threadbare subject; stale topics and threadbare quotations. |
| threadfish | noun | The cutlass fish., A carangoid fish (Caranx gallus, or C. crinitus) having the anterior rays of the soft dorsal and anal fins prolonged in the form of long threads. |
| threadworm | noun | Any long, slender nematode worm, especially the pinworm and filaria. |
| threatened | imp. & past participle | of Threaten |
| threatener | noun | One who threatens. |
| three-coat | adjective | Having or consisting of three coats; — applied to plastering which consists of pricking-up, floating, and a finishing coat; or, as called in the United States, a scratch coat, browning, and finishing coat. |
| threepence | noun | A small silver coin of three times the value of a penny. |
| threepenny | adjective | Costing or worth three pence; hence, worth but little; poor; mean. |
| three-pile | noun | An old name for the finest and most costly kind of velvet, having a fine, thick pile. |
| threnodist | noun | One who composes, delivers, or utters, a threnode, or threnody. |
| threshwold | noun | Threshold. |
| thricecock | noun | The missel thrush. |
| thrifallow | verb t. | See Thryfallow, and Trifallow. |
| thriftless | adjective | Without thrift; not prudent or prosperous in money affairs. |
| thrivingly | adverb | In a thriving manner. |
| throatband | noun | Same as Throatlatch. |
| throatboll | noun | The Adam’s apple in the neck. |
| throatwort | noun | A plant (Campanula Trachelium) formerly considered a remedy for sore throats because of its throat-shaped corolla. |
| thrombosis | noun | The obstruction of a blood vessel by a clot formed at the site of obstruction; — distinguished from embolism, which is produced by a clot or foreign body brought from a distance. |
| throneless | adjective | Having no throne. |
| throstling | noun | A disease of bovine cattle, consisting of a swelling under the throat, which, unless checked, causes strangulation. |
| throttling | present participle & vb. noun | of Throttle |
| throughout | preposition | Quite through; from one extremity to the other of; also, every part of; as, to search throughout the house., In every part; as, the cloth was of a piece throughout. |
| thrum-eyed | adjective | Having the anthers raised above the stigma, and visible at the throat of the corolla, as in long-stamened primroses; — the reverse of pin-eyed. |
| thryfallow | verb t. | To plow for the third time in summer; to trifallow. |
| thumbscrew | noun | A screw having a flat-sided or knurled head, so that it may be turned by the thumb and forefinger., An old instrument of torture for compressing the thumb by a screw; a thumbkin. |
| thundering | present participle & vb. noun | of Thunder, Emitting thunder., Very great; — often adverbially., Thunder. |
| thunderous | adjective | Producing thunder., Making a noise like thunder; sounding loud and deep; sonorous. |
| thurghfare | noun | Thoroughfare. |
| thuringian | adjective | Of or pertaining to Thuringia, a country in Germany, or its people., A native, or inhabitant of Thuringia. |
| thuringite | noun | A mineral occurring as an aggregation of minute scales having an olive-green color and pearly luster. It is a hydrous silicate of aluminia and iron. |
| thwartness | noun | The quality or state of being thwart; obliquity; perverseness. |
| thyrohyoid | adjective | Of or pertaining to the thyroid cartilage of the larynx and the hyoid arch. |
| thyroideal | adjective | Thyroid. |
| thyrsoidal | adjective | Having somewhat the form of a thyrsus. |
| thysanuran | noun | One of the Thysanura. Also used adjectively. |