Definition, Meaning & Synonyms
theory
noun
/ˈθiː.ə.ri/
Definition
A theory is a well-substantiated explanation of some aspect of the natural world that can incorporate laws, hypotheses, and facts.
Examples
- The theory of relativity revolutionized our understanding of time and space.
- In science, a theory must be based on observable evidence.
- He proposed a new theory concerning the formation of galaxies.
Meaning
It often refers to a set of principles on which the practice of an activity is based, especially in science, mathematics, or philosophy.
Synonyms
- hypothesis
- principle
- concept
- model
- framework
