<B>theorem, </B>noun.<DL COMPACT><DD><B> 1. </B>(Mathematics.) <DD><B> a. </B>a statement that is to be proved or that has been proved. (Example:) In an isosceles triangle the angles opposite the equal sides are equal. <DD><B> b. </B>a rule or statement of relations that can be expressed by an equation or formula. <BR> <I>Ex. Geometrical theorems grew out of empirical methods (Herbert Spencer).</I> <DD><B> 2. </B>any statement or rule that can be proved to be true. <DD><B> 3. </B>a kind of picture produced by painting through one or more colored stencils, made especially in the 1800's. </DL>
<A NAME="theorematic">
<B>theorematic, </B>adjective.<DL COMPACT><DD> having to do with, by means of, or of the nature of a theorem. <BR> <I>Ex. theorematic truth.</I> </DL>
<A NAME="theoretic">
<B>theoretic, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>=theoretical.</B> <DD><I>noun </I> <B>theoretics,</B> theoretical matters; theory. <BR> <I>Ex. Morals come before contemplation, ethics before theoretics (H. B. Wilson).</I> </DL>
<A NAME="theoretical">
<B>theoretical, </B>adjective.<DL COMPACT><DD><B> 1. </B>planned or worked out in the mind, not from experience; based on theory, not on fact; limited to theory. (SYN) hypothetical. <DD><B> 2a. </B>dealing with theory only; not practical. <BR> <I>Ex. City boys can get a theoretical knowledge of farming from textbooks.</I> <DD><B> b. </B>having the object of knowledge as its end; concerned with knowledge only, not with accomplishing anything or producing anything; purely scientific. (SYN) speculative. </DL>
<A NAME="theoreticalarithmetic">
<B>theoretical arithmetic,</B> <B>=theory of numbers.</B></DL>
<A NAME="theoretically">
<B>theoretically, </B>adverb.<DL COMPACT><DD> in theory; according to theory; in a theoretical manner. </DL>
<A NAME="theoretician">
<B>theoretician, </B>noun.<DL COMPACT><DD> an expert in the theory of an art, science, etc. </DL>
<A NAME="theorist">
<B>theorist, </B>noun.<DL COMPACT><DD><B> 1. </B>a person who forms theories. <DD><B> 2. </B>one who is adept in the theory (contrasted with practice) of a subject. </DL>
<A NAME="theorize">
<B>theorize, </B>intransitive verb, <B>-rized,</B> <B>-rizing.</B><DL COMPACT><DD> to form a theory or theories; speculate. <BR> <I>Ex. It is a capital mistake to theorize before one has data (Conan Doyle).</I> noun <B>theorization.</B> noun <B>theorizer.</B> </DL>
<A NAME="theory">
<B>theory, </B>noun, pl. <B>-ries.</B><DL COMPACT><DD><B> 1a. </B>an explanation; explanation based on thought; explanation based on observation and reasoning, especially one that has been tested and confirmed as a general principle explaining a large number of related facts. <BR> <I>Ex. the theory of evolution. Einstein's theory of relativity explains the motion of moving objects. According to one scientific theory of life, the more complicated animals developed from the simpler ones.</I> <DD><B> b. </B>a hypothesis proposed as an explanation; conjecture. <BR> <I>Ex. Whether I am right in the theory or not ... the fact is as I state it (Edmund Burke).</I> <DD><B> 2. </B>the principles or methods of a science or art rather than its practice. <BR> <I>Ex. the theory of music, the theory of modern warfare.</I> <DD><B> 3a. </B>an idea or opinion about something. <BR> <I>Ex. I think the fire was started by a careless smoker. What is your theory?</I> <DD><B> b. </B>thought or fancy as opposed to fact or practice. <BR> <I>Ex. He is right only as to theory, because the facts contradict him.</I> <DD><B> 4. </B>(Mathematics.) a set of theorems which constitute a connected, systematic view of some branch of mathematics. <BR> <I>Ex. the theory of probabilities.</I> <DD><B> 5. </B>(Obsolete.) mental view; contemplation. <BR><I>expr. <B>in theory,</B> </I>according to theory; theoretically. <BR> <I>Ex. In theory the plan should have worked.</I> </DL>
<A NAME="theoryofgames">
<B>theory of games,</B><DL COMPACT><DD> a theory dealing with the strategies used by the competitors in games or other situations involving the interplay of chance and skill in determining action or choice, and the mathematical probabilities associated with these. </DL>
<A NAME="theoryofnumbers">
<B>theory of numbers,</B><DL COMPACT><DD> the study of integers and their relationships; number theory. </DL>
<B>theosophist, </B>noun.<DL COMPACT><DD> a person who believes in theosophy. </DL>
<A NAME="theosophy">
<B>theosophy, </B>noun.<DL COMPACT><DD> any system of philosophy or religion that claims to have a special insight into the divine nature through spiritual self-development. </DL>
<A NAME="theosophy">
<B>Theosophy, </B>noun.<DL COMPACT><DD> the modern philosophical system of the Theosophical Society, founded in 1875 in the United States, which combines the teachings of various religions, especially Hinduism and Buddhism. </DL>
<A NAME="theotechnic">
<B>theotechnic, </B>adjective.<DL COMPACT><DD> of or having to do with the action or intervention of the gods; operated or carried on by or as by the gods. </DL>
<B>therapeusis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD> therapeutic treatment. </DL>
<A NAME="therapeutic">
<B>therapeutic, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> of or having to do with the treating or curing of disease; curative. <BR> <I>Ex. Heat has therapeutic value.</I> (SYN) remedial, healing. <DD><I>noun </I> <B>1. </B>a therapeutic agent; remedy. <BR> <I>Ex. The development of some therapeutic to neutralize or weaken ... antisocial rebellion (A. Philip Randolph).</I> <DD><B> 2. </B><B>=therapeutist.</B> adv. <B>therapeutically.</B> </DL>
<B>therapeutic community,</B><DL COMPACT><DD> a residential mental-health clinic or institution in which various methods of psychotherapy are used, especially to rehabilitate drug addicts. </DL>
<A NAME="therapeuticindex">
<B>therapeutic index,</B><DL COMPACT><DD> a measure of the therapeutic value of a drug, based on the ratio of the drug's lethal dose to its effective dose. <BR> <I>Ex. The higher the therapeutic index, the better the drug, other factors being equal.</I> </DL>
<A NAME="therapeutics">
<B>therapeutics, </B>noun.<DL COMPACT><DD> the branch of medicine that deals with the treating or curing of disease. </DL>
<A NAME="therapeutist">
<B>therapeutist, </B>noun.<DL COMPACT><DD> a person who specializes in therapeutics. </DL>
<A NAME="therapist">
<B>therapist, </B>noun.<DL COMPACT><DD> a person who specializes in some form of therapy, such as psychotherapy, electrotherapy, or speech therapy. <BR> <I>Ex. a physical therapist.</I> </DL>
<A NAME="therapsid">
<B>therapsid, </B>noun.<DL COMPACT><DD> any one of a group of reptiles first appearing in the Permian period, that had differentiated teeth and skulls much like the mammals of which they are thought to be the ancestors; theriodont. </DL>
<A NAME="therapy">
<B>therapy, </B>noun, pl. <B>-pies.</B><DL COMPACT><DD><B> 1. </B>the treatment of diseases or disorders. <BR> <I>Ex. physical therapy, electrotherapy.</I> <DD><B> 2. </B>curative power; healing quality. </DL>
<A NAME="theravada">
<B>Theravada, </B>noun.<DL COMPACT><DD> the form of Buddhism predominant in southeastern Asia; Hinayana. <BR> <I>Ex. There are at present two main schools--Theravada or the Way of the Elders, a sect in Ceylon, Burma, Thailand, and Cambodia, stressing monastic salvation, and Mahayana or the Northern School, stressing every person's potential Buddhahood (Virginia Carew).</I> </DL>
<A NAME="therblig">
<B>therblig, </B>noun.<DL COMPACT><DD> a unit of physical movement or activity in time and motion study. </DL>
<A NAME="there">
<B>there, </B>adverb, noun, interjection.<DL COMPACT><DD><I>adv. </I> <B>1. </B>in that place; at that place. <BR> <I>Ex. Sit there.</I> <DD><B> 2. </B>to or into that place. <BR> <I>Ex. How did that get there? We are going there tomorrow.</I> <DD><B> 3. </B>at that point or stage in action, proceeding, speech, or thought. <BR> <I>Ex. Finish reading the page and stop there. If you hadn't stopped there, you could have won in a few moves.</I> <DD><B> 4. </B>in that matter. <BR> <I>Ex. You are mistaken there.</I> <DD><B> 5. </B><I>There</I> is also used in sentences in which the verb comes before its subject. <BR> <I>Ex. There are three new houses on our street. Is there a drugstore near here? There comes a time when ... There was heard a rumbling noise.</I> <DD><B> 6. </B><I>There</I> is used to call attention to some person or thing. <BR> <I>Ex. There goes the bell. There comes the mail.</I> <DD><I>noun </I> that place; place yonder. <BR> <I>Ex. We go to New York first and from there to Boston.</I> <DD><I>interj. </I> an expression of satisfaction, triumph, dismay, encouragement, comfort, or some other feeling. <BR> <I>Ex. There, there! Don't cry.</I> <BR><I>expr. <B>all there.</B> </I>See under <B>all.</B> </DL>
<B>thereabouts, </B>adverb.<DL COMPACT><DD><B> 1. </B>near that place. <BR> <I>Ex. She lives in the main part of town, on Front Street or thereabouts.</I> <DD><B> 2. </B>near that time. <BR> <I>Ex. He went home in the lateafternoon, at 5 o'clock or thereabouts.</I> <DD><B> 3. </B>near that number or amount. <BR> <I>Ex. to use 50 gallons of oil or thereabouts. It was very cold and the temperature fell to zero or thereabouts.</I> </DL>
<A NAME="thereafter">
<B>thereafter, </B>adverb.<DL COMPACT><DD><B> 1. </B>after that; afterwards. <BR> <I>Ex. He was very ill as a child and was considered delicate thereafter.</I> (SYN) subsequently. <DD><B> 2. </B>accordingly. </DL>
<A NAME="thereagainst">
<B>thereagainst, </B>adverb.<DL COMPACT><DD> (Archaic.) against or in opposition to that. </DL>
<A NAME="thereamong">
<B>thereamong, </B>adverb.<DL COMPACT><DD> among that, those, or them. </DL>
<A NAME="thereat">
<B>thereat, </B>adverb.<DL COMPACT><DD><B> 1. </B>when that happened; at that time. <DD><B> 2. </B>because of that; because of it. <DD><B> 3. </B>at that place; there. </DL>