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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noun
A stain contrasting with the principal stain in color, thus making the stained structure easier to see
Definition source: English Wiktionary via Wiktextract
Qualifier: microscopy
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To stain with a counterstain
Definition source: English Wiktionary via Wiktextract
Qualifier: microscopy
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a stain of contrasting color that is used when the principal stain does not show the structure clearly
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: stain
History
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrāder. Old French contre- Anglo-Norman countre-bor. Middle English counter- English counter- English stain English counterstain From counter- + stain.
