gravitational force
n : (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 [syn: gravity,
gravitation, gravitational attraction]