Theory

usgb/ˈθiːəri,ˈθɪri/
noun

A set of ideas or principles used to explain something.

Einstein's theory of relativity changed how we understand the universe.
Visual representation of "theory" - A set of ideas or principles used to explain something

Often appears as...

  • scientific theory
  • theory of relativity
Definition 1 of 4
Visual representation of "theory"
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Not Always Proven

Theories in science are well-substantiated explanations, but not always proven facts.

Illustration for Not Always Proven
Darwin's theory of evolution remains a robust scientific framework.
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Broad Explanations

Theories aim to explain broad patterns or phenomena, not isolated events.

Illustration for Broad Explanations
The germ theory of disease explains how diseases are transmitted.
Visual representation of the word "Theory"

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