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  1. THEORY Definition & Meaning - Merriam-Webster

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

  2. Theory - Wikipedia

    The formal scientific definition of "theory" is quite different from the everyday meaning of the word. It refers to a comprehensive explanation of some aspect of nature that is supported by a vast …

  3. THEORY Definition & Meaning | Dictionary.com

    In science, an explanation or model that covers a substantial group of occurrences in nature and has been confirmed by a substantial number of experiments and observations. A theory is …

  4. THEORY | English meaning - Cambridge Dictionary

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

  5. Theory Definition & Meaning | Britannica Dictionary

    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

  6. theory noun - Definition, pictures, pronunciation and usage …

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

  7. Theory - definition of theory by The Free Dictionary

    The branch of a science or art consisting of its explanatory statements, accepted principles, and methods of analysis, as opposed to practice: a fine musician who had never studied theory.

  8. THEORY definition and meaning | Collins English Dictionary

    A theory is a formal idea or set of ideas that is intended to explain something. Marx produced a new theory about historical change based upon conflict.

  9. theory, n. meanings, etymology and more | Oxford English Dictionary

    There are nine meanings listed in OED's entry for the noun theory, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

  10. Theory - Definition, Types and Examples - Research Method

    Mar 25, 2024 · This article explores the definition of theory, its various types, and practical examples to demonstrate its significance across disciplines. A theory is a well-substantiated …