kinesic

noun (used with a singular verb)

the study of body movements, gestures, facial expressions, etc., as a means of communication.

noun

(functioning as singular) the study of the role of body movements, such as winking, shrugging, etc, in communication

study of body language, 1952, from Greek kinesis “movement, motion” (see cite) + -ics. Related: kinesic.

The study of nonverbal bodily movements, such as gestures and facial expressions, as communication.