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1. Oxford Dictionary

   theory

   • IPA[ˈθɪəri]

   英式

   • n.
     a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained；a set of principles on which the practice of an activity is based

   • noun: theory, plural noun: theories

2. • 釋義
   • 相關詞
   • 片語

   n.

   名詞

   • 1. a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained Darwin's theory of evolution 同義詞 hypothesis, thesis, conjecture, supposition, speculation, ... 更多postulation, postulate, proposition, premise, surmise, assumption, presumption, presupposition, notion, guess, hunch, feeling, suspicion, opinion, view, belief, thinking, thought(s), judgement, contention, principles, ideas, concepts, principled explanations, laws, philosophy, ideology, system of ideas, science
   • ▪ a set of principles on which the practice of an activity is based a theory of education music theory
   • ▪ an idea used to account for a situation or justify a course of action my theory would be that the place has been seriously mismanaged
   • ▪ a collection of propositions to illustrate the principles of a subject.

   atomic theory

   • n.
     the theory that all matter is made up of tiny indivisible particles (atoms). According to ...

   Oxford Dictionary

   atomic theory

   • n.
     the theory that all matter is made up of tiny indivisible particles (atoms). According to the ...

   Oxford American Dictionary

   catastrophe theory

   • n.
     a branch of mathematics concerned with systems displaying abrupt discontinuous change.

   Oxford Dictionary

   field theory

   • n.
     a theory that explains physical phenomena in terms of a field and the manner in which it ...

   Oxford American Dictionary

   correspondence theory

   • n.
     the theory that states that the definition or criterion of truth is that true propositions ...

   Oxford American Dictionary

   in theory

   • ph.
     used in describing what is supposed to happen or be possible, usually with the implication that ...

   Oxford Dictionary

   theory-laden

   • adj.
     denoting a term, concept, or statement which has meaning only as part of some theory, so that ...

   Oxford American Dictionary

   conspiracy theory

   • n.
     a belief that some secret but influential organization is responsible for an event or phenomenon: they sought to account for the attacks in terms of a conspiracy theory

   Oxford Dictionary

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   片語

   • in theory
3. • 更多解釋

   theory

   • IPA[ˈTHirē]

   美式

   • n.
     a supposition or a system of ideas intended to explain something, especially one based on ... Darwin's theory of evolution

   Oxford American Dictionary