gravity, gravitation, gravitational attraction, gravitational force -- ((physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface; "the more remote the body the less the gravity"; "the gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them"; "gravitation cannot be held responsible for people falling in love"--Albert Einstein)
gravitation -- (movement downward resulting from gravitational attraction; "irrigation by gravitation rather than by pumps")
gravitation -- (a figurative movement toward some attraction; "the gravitation of the middle class to the suburbs")
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