protoadditive

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adjective

Having the property that the result when applied to x + y is less than or equal to the sum of the result when applied to x plus the result when applied to y, for all values x and y in the domain.

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Meanings

adjectiveprotoadditive (not comparable)
  1. not comparablemathematicsHaving the property that the result when applied to x + y is less than or equal to the sum of the result when applied to x plus the result when applied to y, for all values x and y in the domain.

    In particular the role of protoadditive functors in the study of Hopf formulae for homology is explained..

    2015, Tomas Everaert, Marino Gran, “Some aspects of semi-abelian homology and protoadditive functors”, in arXiv

Origin

From proto- + additive.

Full word history & related roots →
Cite this entry
APA

protoadditive. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protoadditive

MLA

“protoadditive.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protoadditive. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “protoadditive,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protoadditive.

Source: protoadditive on Wiktionary, CC BY-SA 4.0.