Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of theory is as below...

Immaterialism :: Immaterialism (n.) The doctrine that external bodies may be reduced to mind and ideas in a mind; any doctrine opposed to materialism or phenomenalism, esp. a system that maintains the immateriality of the soul; idealism; esp., Bishop Berkeley's theory of idealism..

Theoric :: Theoric (n.) Speculation; theory.

Esthetics :: Esthetics (n.) The theory or philosophy of taste; the science of the beautiful in nature and art; esp. that which treats of the expression and embodiment of beauty by art.

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..

Antiphlogistian :: Antiphlogistian (n.) An opposer of the theory of phlogiston.

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..

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..

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

Underlie :: Underlie (v. t.) To be at the basis of; to form the foundation of; to support; as, a doctrine underlying a theory..

Stimulism :: Stimulism (n.) The theory of medical practice which regarded life as dependent upon stimulation, or excitation, and disease as caused by excess or deficiency in the amount of stimulation..

Republicanism :: Republicanism (n.) A republican form or system of government; the principles or theory of republican government.

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..

Chemistry :: Chemistry (n.) An application of chemical theory and method to the consideration of some particular subject; as, the chemistry of iron; the chemistry of indigo..

Evolution :: Evolution (n.) That theory of generation which supposes the germ to preexist in the parent, and its parts to be developed, but not actually formed, by the procreative act; -- opposed to epigenesis..

Phenomenalism :: Phenomenalism (n.) That theory which limits positive or scientific knowledge to phenomena only, whether material or spiritual..

#NAME? :: -logy () A combining form denoting a discourse, treatise, doctrine, theory, science; as, theology, geology, biology, mineralogy..

Electro-vitalism :: Electro-vitalism (n.) The theory that the functions of living organisms are dependent upon electricity or a kindred force.

Transmutation :: Transmutation (n.) The change of one species into another, which is assumed to take place in any development theory of life; transformism..

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..

Scheme :: Scheme (n.) A plan or theory something to be done; a design; a project; as, to form a scheme..

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