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  1. THEORY Definition & Meaning - Merriam-Webster

    A theory is a system of explanations that ties together a whole bunch of facts. It not only explains those facts, but predicts what you ought to find from other observations and experiments.”

  2. Theory - Wikipedia

    A theory is a systematic and rational form of abstract thinking about a phenomenon, or the conclusions derived from such thinking. It involves contemplative and logical reasoning, often …

  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 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.

  6. 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.

  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, 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.

  9. 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 …

  10. Definition of "theory" - Words Defined

    Definition of "theory" A supposition or a system of ideas intended to explain something, typically based on general principles independent of the thing to be explained.