About 6,220,000 results
Open links in new tab
  1. Theory Official Site | Contemporary Clothing for Women and Men

    Theory offers high quality contemporary men’s and women’s clothing. Discover the edit of suits, shirts, sweaters, and more that will transform your closet.

  2. THEORY Definition & Meaning - Merriam-Webster

    Jun 27, 2025 · 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.

  3. 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 …

  4. THEORY | English meaning - Cambridge Dictionary

    a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation: economic theory …

  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 - Definition, Types and Examples - Research Method

    Mar 25, 2024 · Theory is a systematic explanation of phenomena based on observation, experimentation, and reasoning. It provides a framework for understanding complex concepts …

  7. What does Theory mean? - Definitions.net

    A theory is a well-substantiated explanation or framework that is supported by evidence and reasoning, and seeks to understand and explain a phenomenon or set of phenomena.

  8. theory - Wiktionary, the free dictionary

    Jul 3, 2025 · theory (countable and uncountable, plural theories) A description of an event or system that is considered to be accurate. As they encrease the hatred of vice in some, so doe …

  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. 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 …