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  1. Theory Definition & Meaning - Merriam-Webster

    The meaning of THEORY is a plausible or scientifically acceptable general principle or body of principles offered to explain phenomena. How to use theory in a sentence. The Difference …

  2. Theory - Wikipedia

    Theories are analytical tools for understanding, explaining, and making predictions about a given subject matter. There are theories in many and varied fields of study, including the arts and …

  3. Theory - Definition, Meaning & Synonyms - Vocabulary.com

    A theory is a set of accepted beliefs or organized principles that explain and guide analysis and one of the ways that theory is defined is that it is different from practice, when certain …

  4. What Is a Theory? A Scientific Definition - AMNH

    A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts. The theory of gravitation, for instance, explains why apples fall …

  5. 36 Theory Examples – Most Famous Theories - Helpful Professor

    2023年9月14日 · A theory is a set of coherent ideas and general principles that can be used to make meaning of the world around us. There are theories in just about every academic …

  6. THEORY | definition in the Cambridge English Dictionary

    THEORY meaning: 1. a formal statement of the rules on which a subject of study is based or of ideas that are…. Learn more.

  7. theory noun - Definition, pictures, pronunciation and usage notes ...

    Definition of theory noun from the Oxford Advanced Learner's Dictionary. [countable, uncountable] a formal set of ideas that is intended to explain why something happens or exists. The theories …

  8. THEORY definition and meaning | Collins English Dictionary

    THEORY definition: a system of rules, procedures , and assumptions used to produce a result | Meaning, pronunciation, translations and examples

  9. theory noun - Definition, pictures, pronunciation and usage notes ...

    Definition of theory noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  10. THEORY - Meaning & Translations | Collins English Dictionary

    A theory is a formal idea or set of ideas that is intended to explain something. [...] 2. If you have a theory about something, you have your own opinion about it which you cannot prove but which …