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

Theoretical :: Theoretical (a.) Pertaining to theory; depending on, or confined to, theory or speculation; speculative; terminating in theory or speculation: not practical; as, theoretical learning; theoretic sciences..
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..
Pet :: Pet (a.) Petted; indulged; admired; cherished; as, a pet child; a pet lamb; a pet 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.
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..
Catastrophist :: Catastrophist (n.) One who holds the theory or catastrophism.
Vegetarianism :: Vegetarianism (n.) The theory or practice of living upon vegetables and fruits.
Application :: Application (n.) The act of directing or referring something to a particular case, to discover or illustrate agreement or disagreement, fitness, or correspondence; as, I make the remark, and leave you to make the application; the application of a theory..
Sulphionide :: Sulphion (n.) A hypothetical radical, SO4, regarded as forming the acid or negative constituent of sulphuric acid and the sulphates in electrolytic decomposition; -- so called in accordance with the binary theory of salts..
Speculation :: Speculation (n.) A conclusion to which the mind comes by speculating; mere theory; view; notion; conjecture.
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..
Theoric :: Theoric (n.) Speculation; theory.
Terminology :: Terminology (n.) The doctrine of terms; a theory of terms or appellations; a treatise on terms.
#NAME? :: -logy () A combining form denoting a discourse, treatise, doctrine, theory, science; as, theology, geology, biology, mineralogy..
Mechanical :: Mechanical (a.) Pertaining to, governed by, or in accordance with, mechanics, or the laws of motion; pertaining to the quantitative relations of force and matter, as distinguished from mental, vital, chemical, etc.; as, mechanical principles; a mechanical theory; mechanical deposits..
Constitutionalism :: Constitutionalism (n.) The theory, principles, or authority of constitutional government; attachment or adherence to a constitution or constitutional government..
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..
Learned :: Learned (a.) Of or pertaining to learning; possessing, or characterized by, learning, esp. scholastic learning; erudite; well-informed; as, a learned scholar, writer, or lawyer; a learned book; a learned theory..
Cosmos :: Cosmos (n.) The theory or description of the universe, as a system displaying order and harmony..
Physicist :: Physicist (n.) A believer in the theory that the fundamental phenomena of life are to be explained upon purely chemical and physical principles; -- opposed to vitalist.
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