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

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.
Ecclesiology :: Ecclesiology (n.) The science or theory of church building and decoration.
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..
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..
Vitalist :: Vitalist (n.) A believer in the theory of vitalism; -- opposed to physicist.
Methodist :: Methodist (n.) One of an ancient school of physicians who rejected observation and founded their practice on reasoning and theory.
Republicanism :: Republicanism (n.) A republican form or system of government; the principles or theory of republican government.
Potential :: Potential (n.) In the theory of gravitation, or of other forces acting in space, a function of the rectangular coordinates which determine the position of a point, such that its differential coefficients with respect to the coordinates are equal to the components of the force at the point considered; -- also called potential function, or force function. It is called also Newtonian potential when the force is directed to a fixed center and is inversely as the square of the distance from the cente
Theorist :: Theorist (n.) One who forms theories; one given to theory and speculation; a speculatist.
Monogenism :: Monogenism (n.) The theory or doctrine that the human races have a common origin, or constitute a single species..
#NAME? :: -logy () A combining form denoting a discourse, treatise, doctrine, theory, science; as, theology, geology, biology, mineralogy..
Ideal :: Ideal (a.) Teaching the doctrine of idealism; as, the ideal theory or philosophy..
Epigenesist :: Epigenesist (n.) One who believes in, or advocates the theory of, epigenesis..
Kindergarten :: Kindergarten (n.) A school for young children, conducted on the theory that education should be begun by gratifying and cultivating the normal aptitude for exercise, play, observation, imitation, and construction; -- a name given by Friedrich Froebel, a German educator, who introduced this method of training, in rooms opening on a garden..
Cerebralism :: Cerebralism (n.) The doctrine or theory that psychical phenomena are functions or products of the brain only.
Synergist :: Synergism (n.) The doctrine or theory, attributed to Melanchthon, that in the regeneration of a human soul there is a cooperation, or joint agency, on the part both of God and of man..
Sound :: Sound (n.) The occasion of sound; the impulse or vibration which would occasion sound to a percipient if present with unimpaired; hence, the theory of vibrations in elastic media such cause sound; as, a treatise on sound..
Theorization :: Theorization (n.) The act or product of theorizing; the formation of a theory or theories; speculation.
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..
Physic :: Physic (n.) The art of healing diseases; the science of medicine; the theory or practice of medicine.
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