From WordNet (r) 3.0 (2006) :
gravitational attraction
n 1: (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, gravitational force]