nudism /ˈnuːˌdɪzəm/ Brit /ˈnjuːˌdɪzəm/ noun /ˈnuːˌdɪzəm/ Brit /ˈnjuːˌdɪzəm/
noun
Learner's definition of NUDISM
[noncount]
: the practice of not wearing any clothes especially in private places (such as camps or beaches) that are separated from public areas裸体主义 — called also (British) naturism