Sub-trāct’, v. t.

v. t. [imp. & p. p. SUBTRACTED; p. pr. & vb. n. SUBTRACTING.] [Lat. subtrahere, subtractum, from prefix sub, under, and trahere, to draw; It. sottrarre. Cf. SUBTRACT.] To withdraw or take from the rest, as a part; to deduct; as, subtract 5 from 9, and the remainder is 4.