1. (adj)additive something added to enhance food or gasoline or paint or medicine Antonyms: reductive, subtractive, ablative
2. (adj)linear, additive designating or involving an equation whose terms are of the first degree Synonyms: analogue, elongate, analog, additive, linear, running(a), one-dimensional Antonyms: ablative, subtractive, reductive
3. (adj)additive characterized or produced by addition Synonyms: linear Antonyms: ablative, subtractive, reductive