gegenion

G2E1G2E1N1I1O1N1

noun

A counterion: an ion of opposite charge to another in an electrochemical or ion transport system.

OriginGerman gegen →
Scrabble 10
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Meanings

noungegenion (plural gegenions)

plural gegenions

  1. physicalchemistryA counterion: an ion of opposite charge to another in an electrochemical or ion transport system.

Synonyms & antonyms

Also see
counterion

Origin

  1. Germangegen“against”
  2. Englishgegenion

From the German gegen (“against”) + ion.

More words from German

Full word history & related roots →
Cite this entry
APA

gegenion. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/gegenion

MLA

“gegenion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gegenion. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “gegenion,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/gegenion.

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