Definition of theory

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Theory (n.) A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation..

Lern More About Theory

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.
Phenomenist :: Phenomenist (n.) One who believes in the theory of phenomenalism.
Impressionism :: Impressionism (n.) The theory or method of suggesting an effect or impression without elaboration of the details; -- a disignation of a recent fashion in painting and etching.
Plutonic :: Plutonic (a.) Of, pertaining to, or designating, the system of the Plutonists; igneous; as, the Plutonic theory..
Cerebralism :: Cerebralism (n.) The doctrine or theory that psychical phenomena are functions or products of the brain only.
Fanciful :: Fanciful (a.) Conceived in the fancy; not consistent with facts or reason; abounding in ideal qualities or figures; as, a fanciful scheme; a fanciful theory..
Karma :: Karma (n.) One's acts considered as fixing one's lot in the future existence. (Theos.) The doctrine of fate as the inflexible result of cause and effect; the theory of inevitable consequence.
Gastraea :: Gastraea (n.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastraea theory of Haeckel. See Gastrula..
Examine :: Examine (v. t.) To test by any appropriate method; to inspect carefully with a view to discover the real character or state of; to subject to inquiry or inspection of particulars for the purpose of obtaining a fuller insight into the subject of examination, as a material substance, a fact, a reason, a cause, the truth of a statement; to inquire or search into; to explore; as, to examine a mineral; to examine a ship to know whether she is seaworthy; to examine a proposition, theory, or question..
Ovulist :: Ovulist (n.) A believer in the theory (called encasement theory), current during the last century, that the egg was the real animal germ, and that at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other. Also called ovist..
Theory :: Theory (n.) An exposition of the general or abstract principles of any science; as, the theory of music..
Ray :: Ray (n.) Sight; perception; vision; -- from an old theory of vision, that sight was something which proceeded from the eye to the object seen..
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..
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..
Pleomorphism :: Pleomorphism (n.) The theory that the various genera of bacteria are phases or variations of growth of a number of Protean species, each of which may exhibit, according to undetermined conditions, all or some of the forms characteristic of the different genera and species..
Communist :: Communist (n.) An advocate for the theory or practice of communism.
Cosmogony :: Cosmogony (n.) The creation of the world or universe; a theory or account of such creation; as, the poetical cosmogony of Hesoid; the cosmogonies of Thales, Anaxagoras, and Plato..
Methodist :: Methodist (n.) One of an ancient school of physicians who rejected observation and founded their practice on reasoning and theory.
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.
Dynamist :: Dynamist (n.) One who accounts for material phenomena by a theory of dynamics.
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