/ səbˈtrækt; NAmE / verb
subtract sth (from sth) to take a number or an amount away from another number or amount
SYN take away :
[ vn ]
6 subtracted from 9 is 3
[also v ]
OPP add
► sub·trac·tion / səbˈtrækʃn; NAmE / noun [ U , C ]
—compare addition
••
WORD ORIGIN
mid 16th cent.: from Latin subtract- drawn away, from sub- from below + trahere to draw.