Additive  

From The Art and Popular Culture Encyclopedia

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Additive may refer to:

Science

• Additive color, as opposed to subtractive color
• Additive function, a function in number theory
• Additive map, a function that preserves the addition operation
  • Additive set-function – see Sigma additivity
• Additive inverse, an arithmetic concept
• Additive category, a preadditive category with finite biproducts
• Additive model, a statistical regression model
• Additive synthesis, an audio synthesis technique
• Additivity, in biochemistry, the simple sum of effects due to multiple causes – see Interaction § Biochemistry
• Additive genetic effects

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

• 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