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Theory

noun

/ˈθɪr.i/

Meaning

a supposition or system of ideas intended to explain something

An explanation of an idea or principle based on facts, reasoning, and evidence.

Einstein's theory of relativity revolutionized physics.

Einstein's theory of relativity changed the way we understand physics.

in theory

hypothesis, principle, concept, doctrine, idea

Entry 1

hypothesis, principle, concept, doctrine

Entry 2

hypothesis, concept, idea, principle, doctrine

practice, fact, reality, certainty

Entry 1

practice, fact, reality, certainty

Entry 2

fact, reality, practice

scientific theory, economic theory, political theory, conspiracy theory, in theory, theory of evolution

Entry 1

scientific theory, economic theory, political theory, conspiracy theory

Entry 2

scientific theory, political theory, in theory, theory of evolution

The ability to understand something; the capacity to perceive and grasp meaning.

the fact or quality of being alike; resemblance; a portrait or representation

a special right or advantage that only one person or group has

A person or country in a subordinate position to another, especially in feudal times under a lord.

The protection, backing, or support of a particular person or organization.

A type of mammal that carries and nourishes its young in a pouch, like kangaroos and koalas.