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

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..
Socialism :: Socialism (n.) A theory or system of social reform which contemplates a complete reconstruction of society, with a more just and equitable distribution of property and labor. In popular usage, the term is often employed to indicate any lawless, revolutionary social scheme. See Communism, Fourierism, Saint-Simonianism, forms of socialism..
Panspermist :: Panspermist (n.) A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.
Vortex :: Vortex (n.) A supposed collection of particles of very subtile matter, endowed with a rapid rotary motion around an axis which was also the axis of a sun or a planet. Descartes attempted to account for the formation of the universe, and the movements of the bodies composing it, by a theory of vortices..
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..
Polygeny :: Polygeny (n.) The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis..
Vitalistic :: Vitalistic (a.) Pertaining to, or involving, vitalism, or the theory of a special vital principle..
Microbian :: Microbian (a.) Of, pertaining to, or caused by, microbes; as, the microbian theory; a microbian disease..
Empirical :: Empirical (a.) Depending upon experience or observation alone, without due regard to science and theory; -- said especially of medical practice, remedies, etc.; wanting in science and deep insight; as, empiric skill, remedies..
Vitalist :: Vitalist (n.) A believer in the theory of vitalism; -- opposed to physicist.
Atomist :: Atomist (n.) One who holds to the atomic philosophy or theory.
Pet :: Pet (a.) Petted; indulged; admired; cherished; as, a pet child; a pet lamb; a pet theory..
Vegetarianism :: Vegetarianism (n.) The theory or practice of living upon vegetables and fruits.
Kantism :: Kantism (n.) The doctrine or theory of Kant; the Kantian philosophy.
Isobar :: Isobar (n.) The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science..
Republicanism :: Republicanism (n.) A republican form or system of government; the principles or theory of republican government.
Hypothesis :: Hypothesis (n.) A tentative theory or supposition provisionally adopted to explain certain facts, and to guide in the investigation of others; hence, frequently called a working hypothesis..
Scheme :: Scheme (n.) A plan or theory something to be done; a design; a project; as, to form a scheme..
Undulationist :: Undulationist (n.) One who advocates the undulatory theory of light.
Elementalism :: Elementalism (a.) The theory that the heathen divinities originated in the personification of elemental powers.
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