Gravitation
/ɡrˌævɪˈteɪʃən/
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Definition
(noun) The fundamental force of attraction which exists between all matter in the universe that tends to draw bodies towards each other, due to matter causing the curvature of spacetime. It is the weakest of the four fundamental interactions, and possesses a gauge boson known as the graviton.
Sentence Examples
We learned that Newton discovered the law of gravitation.
CEFR Practice Quiz
Sir Isaac Newton is famous for developing the universal law of ____ after seeing an apple fall from a tree.