kinesicsnoun
/kɪˈniː.sɪks/specialized[ U ] the study of how people use body movements when they are communicating with other people:
The science of kinesics is now more than fifty years old.
[ plural ] the movements of the body that people make when they are communicating with other people:
The purpose of this research assignment was to evaluate the role of a person's kinesics in an interview situation.