English Explanatory Dictionary

anion

English dictionary entry

Meanings

noun
  1. A negatively charged ion.

Pronunciation

ăn'-ī-ŏn /ˈænˌaɪ.ən/ /ˈænˌaɪ.ɑn/ /ˈænˌaɪ.ɒn/ LL-Q1860 (eng)-Vealhurl-anion.wav

Word forms

anion anions

Etymology

Etymology tree Proto-Indo-European *h₂en- Proto-Hellenic *aná Ancient Greek ᾰ̓νᾰ́ (ănắ) Ancient Greek ᾰ̓νᾰ- (ănă-) Proto-Indo-European *h₁ey- Proto-Indo-European *h₁éyti Proto-Hellenic *éimi Ancient Greek ῐ̓όν (ĭón) Ancient Greek ἀνῐόν (anĭón)lbor. English anion Learned borrowing from Ancient Greek ἀνιόν (anión, “(thing) going up”), neuter present participle of ἄνειμι (áneimi, “go up”), from ἀνά (aná, “up”) + εἶμι (eîmi, “go”). Coined by English polymath William Whewell in 1834 for Michael Faraday, who introduced it later that year. By surface analysis, an- (“up, away, forward”) + ion.

Antonyms

cation

Related words

anodal anode anodic

Derived words

anex anion exchange anion gap anionic anionization anionize anionoid anion vacancy carbanion counteranion dianion fluoroanion high anion gap metabolic acidosis interanion monoanion oxoanion oxyanion polyanion radical anion superanion tetraanion thioanion trianion
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