(mathematics) one of a pair of numbers whose sum is zero; the additive inverse of -5 is +5

an additive that enhances the effectiveness of medical treatment

an additive that enhances the effectiveness of medical treatment

something added to enhance food or gasoline or paint or medicine

something added to enhance food or gasoline or paint or medicine

something added to enhance food or gasoline or paint or medicine

something added to enhance food or gasoline or paint or medicine

something added to enhance food or gasoline or paint or medicine

something added to enhance food or gasoline or paint or medicine

something added to enhance food or gasoline or paint or medicine