Definition of Theory
Theory
the·o·ry


Definition/Meaning
(noun)
A set of ideas or principles used to explain a phenomenon or behavior.

e.g. The scientist developed a new theory to explain the formation of black holes.

(noun)
a principle or set of principles on the basis of which an activity may be done;

e.g. The students study musical theory to improve their understanding of music.

(noun)
an idea or assumption that can potentially explain a situation, especially when this is to be investigated;

e.g. He put forward the theory that the murderer had been in the building all along.



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