Synonyms for additive

Noun

1. additive, addition, add-on, improver

usage: something added to enhance food or gasoline or paint or medicine

Adjective

1. additive (vs. subtractive), accumulative, cumulative, summational, summative, addable, addible

usage: characterized or produced by addition; "an additive process"

2. linear (vs. nonlinear), additive, bilinear

usage: designating or involving an equation whose terms are of the first degree