1. Theory Definition & Meaning - Merriam-Webster

    https://www.merriam-webster.com/dictionary/theory

    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 Between Hypothesis and Theory Two Related, Yet Distinct, Meanings of Theory Synonym Discussion of Theory.

  2. Theory - Wikipedia

    https://en.wikipedia.org/wiki/Theory

    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.

  3. THEORY | English meaning - Cambridge Dictionary

    https://dictionary.cambridge.org/dictionary/english/theory

    something suggested as a reasonable explanation for facts, a condition, or an event, esp. a systematic or scientific explanation: [ U ] Adele took a course in modern political theory. [ C ] I have a theory (= an opinion) about why everybody in the city is in such a hurry.

  4. THEORY Definition & Meaning | Dictionary.com

    https://www.dictionary.com/browse/Theory

    Learn the meaning and usage of the word theory in different contexts, such as science, mathematics, and philosophy. Find out the origin, history, and idioms of theory, and see how it differs from principle, law, and hypothesis.

  5. Theory Definition & Meaning | Britannica Dictionary

    https://www.britannica.com/dictionary/theory

    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. What Is a Theory? A Scientific Definition - AMNH

    https://www.amnh.org/exhibitions/darwin/evolution-today/what-is-a-theory

    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 from trees and astronauts float in space.

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

    https://www.vocabulary.com/dictionary/theory

    a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena. “ theories can incorporate facts and laws and tested hypotheses”. “true in fact and theory ”. see more.

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

    https://researchmethod.net/theory/

    Learn what a theory is, how it is used in different fields of study, and what types of theories exist. Explore examples of scientific, social, psychological, economic, political, philosophical, and other theories.

  9. What Is a "Theory" and Why Is It Important to Know?

    https://www.psychologytoday.com/us/blog/thoughts-thinking/202007/what-is-theory-and-why-is-it-important-know

    A theory is an established model for why or how a given phenomenon occurs, based on observing similar outcomes over and over again. Learn how to distinguish a theory from a hypothesis, a law, or an educated guess, and why it matters for critical thinking and epistemology.