quantification UK /ˌkwɒn.tɪˌfɪˈkeɪ.ʃən/US /ˌkwɑn.təˌfɪˈkeɪ.ʃən/ noun3 •The act of quantifying. •The expression of an economic activity in monetary units. •A limitation that is imposed on the variables of a proposition. formsquantifications