additive

From Late Latin additivus, from the participial stem of Latin addere (“to add”).

• (UK) IPA^(key): /ˈæ.dɪ.tɪv/

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• (US) IPA^(key): /ˈæ.də.tɪv/, [ˈæ.ɾə.tɪv], [ˈæ.ɾə.ɾɪv]

additive (comparative more additive, superlative most additive)

1. (mathematics) Pertaining to addition; that can be, or has been, added.
2. (mathematics, of a function, etc.) That is distributive over addition.

   Matrix multiplication is additive, in that ${\displaystyle M{\vec {v}}+M{\vec {w}}=M({\vec {v}}+{\vec {w}})}$.

3. (group theory, of a group, semigroup, etc.) Whose operator is identified as addition.

   It is natural to look at a finite cyclic group as an additive group.

4. (chemistry) Pertaining to chemical addition.
5. (genetics) Of or pertaining to genes (or the interaction etc. of such genes) which govern the same trait and whose effects work together on the phenotype.

• multiplicative
• subtractive

• additivity

additive (plural additives)

1. A substance added to another substance or product to produce specific properties in the combined substance.

   Oil may be used as an additive in gasoline to improve the lubrication of a small engine.

2. (grammar) A word or phrase that adds something, such as also, even, or nor.

• “additive”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “additive”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

• Additive genetic effects on Wikipedia.Wikipedia
• Additive polynomial on Wikipedia.Wikipedia
• Additive utility on Wikipedia.Wikipedia
• Freshman's dream on Wikipedia.Wikipedia (In which the function ƒ(x) = xⁿ is erroneously thought to be additive.)
• Weakly additive on Wikipedia.Wikipedia

• davidite

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additive

1. feminine singular of additif

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additive

1. inflection of additiv:
   1. strong/mixed nominative/accusative feminine singular
   2. strong nominative/accusative plural
   3. weak nominative all-gender singular
   4. weak accusative feminine/neuter singular

• IPA^(key): /ad.diˈti.ve/
• Rhymes: -ive
• Hyphenation: ad‧di‧tì‧ve

additive

1. feminine plural of additivo