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  1. Theory Official Site | Contemporary Clothing for Women and Men

    Loungewear for quiet mornings and quick outings. Outerwear that outlives the season. 1 capsule. 6 styles. Endless ways to wear. Our debut issue explores the ideas, people, and places shaping New …

  2. THEORY Definition & Meaning - Merriam-Webster

    Because of the rigors of experimentation and control, it is understood to be more likely to be true than a hypothesis is. In non-scientific use, however, hypothesis and theory are often used interchangeably …

  3. 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 sciences.

  4. Home - New High Energy Theory Center (NHETC)

    A theory of all interactions and particles usually has far-reaching implications, for instance, predicting proton decay, and affecting the development of the universe in the first few moments after the big bang.

  5. 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.

  6. 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

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

    Mar 25, 2024 · A theory is a well-substantiated explanation of an aspect of the natural or social world that is grounded in facts, evidence, and tested hypotheses. It is developed through a systematic …

  8. Understanding Attachment Theory and Its Stages

    Dec 5, 2025 · Attachment theory says that your first 24 months of life may predict much about your future relationships. Here’s why.

  9. THEORY definition in American English | 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 between competing groups.

  10. Theory Dresses & Women's Clothing at Neiman Marcus

    Discover Theory women's clothing at Neiman Marcus. Shop for dresses, tops, pants, sweaters, jackets & more.