Definition of theory

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Theory (n.) The philosophical explanation of phenomena, either physical or moral; as, Lavoisier's theory of combustion; Adam Smith's theory of moral sentiments..

Lern More About Theory

Huttonian :: Huttonian (a.) Relating to what is now called the Plutonic theory of the earth, first advanced by Dr. James Hutton..
Rationalist :: Rationalist (n.) One who accepts rationalism as a theory or system; also, disparagingly, a false reasoner. See Citation under Reasonist..
Homeopathy :: Homeopathy (n.) The art of curing, founded on resemblances; the theory and its practice that disease is cured (tuto, cito, et jucunde) by remedies which produce on a healthy person effects similar to the symptoms of the complaint under which the patient suffers, the remedies being usually administered in minute doses. This system was founded by Dr. Samuel Hahnemann, and is opposed to allopathy, or heteropathy..
Subaud :: Subatom (n.) A hypothetical component of a chemical atom, on the theory that the elements themselves are complex substances; -- called also atomicule..
Hylism :: Hylism (n.) A theory which regards matter as the original principle of evil.
Pantagruelism :: Pantagruelism (n.) The theory or practice of the medical profession; -- used in burlesque or ridicule.
Syngnathi :: Syngenesis (n.) A theory of generation in which each germ is supposed to contain the germs of all subsequent generations; -- the opposite of epigenesis.
Communalism :: Communalism (n.) A French theory of government which holds that commune should be a kind of independent state, and the national government a confederation of such states, having only limited powers. It is advocated by advanced French republicans; but it should not be confounded with communism..
Theory :: Theory (n.) The philosophical explanation of phenomena, either physical or moral; as, Lavoisier's theory of combustion; Adam Smith's theory of moral sentiments..
Helleborism :: Helleborism (n.) The practice or theory of using hellebore as a medicine.
Benthamism :: Benthamism (n.) That phase of the doctrine of utilitarianism taught by Jeremy Bentham; the doctrine that the morality of actions is estimated and determined by their utility; also, the theory that the sensibility to pleasure and the recoil from pain are the only motives which influence human desires and actions, and that these are the sufficient explanation of ethical and jural conceptions..
Biogenist :: Biogenist (n.) A believer in the theory of biogenesis.
Wernerian :: Wernerian (a.) Of or pertaining to A. G. Werner, The German mineralogist and geologist, who classified minerals according to their external characters, and advocated the theory that the strata of the earth's crust were formed by depositions from water; designating, or according to, Werner's system..
Transmutation :: Transmutation (n.) The change of one species into another, which is assumed to take place in any development theory of life; transformism..
Seminist :: Seminist (n.) A believer in the old theory that the newly created being is formed by the admixture of the seed of the male with the supposed seed of the female.
Plutonism :: Plutonism (n.) The theory, early advanced in geology, that the successive rocks of the earth's crust were formed by igneous fusion; -- opposed to the Neptunian theory..
Preformation :: Preformation (n.) An old theory of the preexistence of germs. Cf. Embo/tement.
Vitalist :: Vitalist (n.) A believer in the theory of vitalism; -- opposed to physicist.
Automatism :: Automatism (n.) The state or quality of being automatic; the power of self-moving; automatic, mechanical, or involuntary action. (Metaph.) A theory as to the activity of matter..
Put :: Put (v. t.) To bring to a position or place; to place; to lay; to set; figuratively, to cause to be or exist in a specified relation, condition, or the like; to bring to a stated mental or moral condition; as, to put one in fear; to put a theory in practice; to put an enemy to fight..
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