gravitation /ˌgrævəˈteɪʃən/ noun Learner's definition of GRAVITATION
[noncount]
1
technical : the natural force that causes things to fall towards the earth : gravity引力；地心引力；重力 2
: movement to or toward someone or something移向；趋向 — gravitational
/ˌgrævəˈteɪʃənl̟/ adjective, technical
— gravitationally
adverb, technical