# Additive vs Supplementary - What's the difference?

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## English

• (mathematics) Pertaining to addition; that can be, or has been, added.
• Matrix multiplication is additive in that $M\vec v+M\vec w=M\left(\vec v+\vec w\right)$.
• (algebra) Having addition as an operator.
• It is natural to look at a finite cyclic group as an additive group.
• (chemistry) Pertaining to chemical addition.
• (genetics) Describing genes (or the interaction etc. of such genes) which govern the same trait and whose effects work together on the phenotype.
• #### Antonyms

* subtractive

### Noun

(en noun)
• A substance added to another substance or product for its ability to alter its properties.
• Oil may be used as an additive in gasoline to improve the lubrication of a small engine.
• (grammar) A word or phrase that adds something, such as also'', ''even'', or ''nor .