kə̇ˈnēsiks, kīˈ-, -ēzi- noun plural but singular in construction
Etymology: Greek kinēsis + English -ics
: a systematic study of nonlinguistic body motion (as blushes, shrugs, waves) in its relation to communication
man did not become truly human until he developed spoken language but one might guess that for millennia kinesics was the … mode of communication — Stuart Chase