a. Obs. rare–1. [f. L. subduct- (see SUBDUCT) + -IVE.] That is to be subtracted.
1798. Hutton, Course Math., I. 170. That … changes its nature from a subductive quantity to an additive one.
a. Obs. rare–1. [f. L. subduct- (see SUBDUCT) + -IVE.] That is to be subtracted.
1798. Hutton, Course Math., I. 170. That … changes its nature from a subductive quantity to an additive one.
