# Additive

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Additive
> Markdown URL: https://mediated.wiki/source/Additive.md
> Source: https://en.wikipedia.org/wiki/Additive
> Source revision: 1265946979
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

**Additive** may refer to:

## Mathematics

- [Additive function](/source/Additive_function), a function in number theory
- [Additive map](/source/Additive_map), a function that preserves the addition operation
- Additive set-function see [Sigma additivity](/source/Sigma_additivity)
- [Additive category](/source/Additive_category), a preadditive category with finite biproducts
- [Additive inverse](/source/Additive_inverse), an arithmetic concept
- [Additive prime](/source/Additive_prime), a prime number where the sum of its digits is a number which is also a prime number.

## Science

- [Additive color](/source/Additive_color), as opposed to subtractive color
- [Additive model](/source/Additive_model), a statistical regression model
- [Additive synthesis](/source/Additive_synthesis), an audio synthesis technique
- [Additive genetic effects](/source/Additive_genetic_effects)
- Additive quantity, a physical quantity that is additive for subsystems; see [Intensive and extensive properties](/source/Intensive_and_extensive_properties)

## Engineering

- [Feed additive](/source/Feed_additive)
- [Gasoline additive](/source/Gasoline_additive), a substance used to improve the performance of a fuel, lower emissions or clean the engine
- [Oil additive](/source/Oil_additive), a substance used to improve the performance of a lubricant
- [Weakly additive](/source/Weakly_additive), the quality of preferences in some logistics problems
- [Polymer additive](/source/Polymer_additive)
- [Pit additive](/source/Pit_additive), a material aiming to reduce fecal sludge build-up and control odor in pit latrines, septic tanks and wastewater treatment plants
- [Biodegradable additives](/source/Biodegradable_additives)

## Other uses

- [Additive case](/source/Additive_case), one of the grammatical cases in Estonian
- [Food additive](/source/Food_additive), any substance added to food to improve flavor, appearance, shelf life, etc.
- [Additive rhythm](/source/Additive_rhythm), a larger period of time constructed from smaller ones

---
Adapted from the Wikipedia article [Additive](https://en.wikipedia.org/wiki/Additive) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Additive?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.