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a. The natural phenomenon of attraction between physical objects with mass or energy; the weakest of the four fundamental forces of nature. Also called gravity.
b. The act or process of moving under the influence of this attraction.
c. See gravitational interaction.
2. A movement toward a source of attraction: the gravitation of the middle classes to the suburbs.
1. (General Physics) of, involving, or produced by gravitation
2. tending or causing to gravitate