Function: noun plural but singular or plural in construction
Date: 1939
: the interacting forces within a small human group also : the sociological study of these forces
Function: noun plural but singular or plural in construction
Date: 1939
: the interacting forces within a small human group also : the sociological study of these forces
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012