n.
Function: adjective
Date: 1733
1 a : of or relating to the mass of the people < mass market> < mass education> also : being one of or at one with the mass : AVERAGE , COMMONPLACE < mass man> b : participated in by or affecting a large number of individuals < mass destruction> < mass demonstrations> c : having a large-scale character < mass plantings of tulips>
2 : viewed as a whole : TOTAL <the mass effect of a design>