Main Entry:

grav·i·ta·tion

Pronunciation:

\ˌgra-və-ˈtā-shən\

Function:

noun

Date:

circa 1645

1 : a force manifested by acceleration toward each other of two free material particles or bodies or of radiant-energy quanta : gravity 3a(2) 2 : the action or process of gravitating

— grav·i·ta·tion·al \-shnəl, -shə-n^əl\ adjective

— grav·i·ta·tion·al·ly adverb

— grav·i·ta·tive \ˈgra-və-ˌtā-tiv\ adjective