Additive may refer to:
Additive function, a function which preserves addition
Additive inverse, an arithmetic concept
Additive rhythm, a larger period of time constructed from smaller ones
Additive synthesis, an audio synthesis technique
Additive color, as opposed to
subtractive colorAdditivity, in biochemistry, the simple sum of effects due to multiple causes
Food additive, a substance added to food to improve flavor or appearance
Fuel additive, a substance used to improve the performance of a fuel, lower emissions or clean the engine
Weakly additive, the quality of preferences in some logistics problems
Additive Records, a record label
See more at Wikipedia.org...