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something suggested as a reasonable explanation for facts, a condition, or an event, esp. a systematic or scientific explanation: [ U ] Adele took a course in modern political theory. [ C ] I have a theory (= an opinion) about why everybody in the city is in such a hurry. Idiom. in theory.
1. : a plausible or scientifically acceptable general principle or body of principles offered to explain phenomena. the wave theory of light. 2. a. : a belief, policy, or procedure proposed or followed as the basis of action. her method is based on the theory that all children want to learn. b.
Definition of theory noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
THEORY meaning: 1 : an idea or set of ideas that is intended to explain facts or events; 2 : an idea that is suggested or presented as possibly true but that is not known or proven to be true.
A theory is a rational type of abstract thinking about a phenomenon, or the results of such thinking. The process of contemplative and rational thinking is often associated with such processes as observational study or research. Theories may be scientific, belong to a non-scientific
THEORY definition: 1. an idea or set of ideas that is intended to explain something: 2. the set of principles on…. Learn more.
A theory in technical use is a more or less verified or established explanation accounting for known facts or phenomena: the theory of relativity. A hypothesis is a conjecture put forth as a possible explanation of phenomena or relations, which serves as a basis of argument or experimentation to reach the truth: This idea is only a hypothesis.
Theory definition: a coherent group of tested general propositions, commonly regarded as correct, that can be used as principles of explanation and prediction for a class of phenomena. See examples of THEORY used in a sentence.
noun. /ˈθɪri/ , /ˈθiəri/. (pl. theories) [countable, uncountable] a formal set of ideas that is intended to explain why something happens or exists According to the theory of relativity, nothing can travel faster than light. The debate is centered around two conflicting theories.
theory meaning, definition, what is theory: an idea or set of ideas that is intended...: Learn more.
