Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
A counterion: an ion of opposite charge to another in an electrochemical or ion transport system.
Definition source: English Wiktionary via Wiktextract
Usage: physical
Topics: chemistry, natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From the German gegen (“against”) + ion.
