Additive

Look up additive in Wiktionary, the free dictionary.

Additive may refer to:

Mathematics

• Additive function, a function in number theory
• Additive map, a function that preserves the addition operation
• Additive set-function see Sigma additivity
• Additive category, a preadditive category with finite biproducts
• Additive inverse, an arithmetic concept

Science

• Additive color, as opposed to subtractive color
• Additive model, a statistical regression model
• Additive synthesis, an audio synthesis technique
• Additive genetic effects
• Additive quantity, a physical quantity that is additive for subsystems; see Intensive and extensive properties

Engineering

• Feed additive
• Gasoline additive, a substance used to improve the performance of a fuel, lower emissions or clean the engine
• Oil additive, a substance used to improve the performance of a lubricant
• Weakly additive, the quality of preferences in some logistics problems
• Polymer additive
• 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

Other uses

• Additive case [et], one of the grammatical cases in Estonian
• Food additive, any substance added to food to improve flavor, appearance, shelf life, etc.
• Additive rhythm, a larger period of time constructed from smaller ones

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