attraction of gravitation  From The Collaborative International
Dictionary of English v.0.48:  Gravitation \Grav"i*ta"tion\, n.
[Cf. F. gravitation. See    1. The act of gravitating.
[1913 Webster]     2. (Pysics) That species of attraction or
force by which all       bodies or particles of matter in the
universe tend toward       each other; called also attraction of
gravitation,       universal gravitation, and universal gravity.
See       Attraction, and Weight.       [1913 Webster]     Law
of gravitation, that law in accordance with which
gravitation acts, namely, that every two bodies or
portions of matter in the universe attract each other with
a force proportional directly to the quantity of matter
they contain, and inversely to the squares of their       [1913
Webster]  From The Collaborative International Dictionary of
English v.0.48:  Attraction \At*trac"tion\, n. [L. attractio:
cf. F. attraction.]    1. (Physics) An invisible power in a body
by which it draws       any