n.
Pronunciation: ˌ gra-v ə - ' t ā -sh ə n
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 \ -shn ə l, -sh ə -n ə l \ adjective
– grav · i · ta · tion · al · ly adverb
– grav · i · ta · tive \ ' gra-v ə - ˌ t ā -tiv \ adjective