| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| 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. |