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quantivalence

出典:『Wiktionary』 (2025/11/28 00:08 UTC 版)

語源

From Latin quantus (“how much”) + English -i- (interfix inserted between morphemes of Latin origin for ease of pronunciation) + Latin valentia (“bodily strength; health; vigour”) (ultimately from Proto-Indo-European *h₂welh₁- (“to rule; powerful, strong”)) + -ence (suffix meaning ‘having the condition or state of’), coined by F. O. Ward who communicated it to the German chemist August Wilhelm von Hofmann (1818–1892), leading him to coin the German word Quantivalenz from which valence is derived.

発音

名詞

quantivalence (countable and uncountable, plural quantivalences)

  1. (chemistry, historical) Synonym of valence (“the combining capacity of an atom, functional group, or radical determined by the number of atoms of hydrogen with which it will unite, or the number of electrons that it will gain, lose, or share when it combines with other atoms, etc.”).
  2. (by extension, generally) Equivalence measured quantitatively.

別の表記

  • quantivalency

関連する語

参照

  1. ^ “quantivalence, n.”, in OED Online Paid subscription required⁠, Oxford: Oxford University Press, March 2022.

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