noun
Meaning 1
Iron(II) sulfate.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: vitriol
Antonyms: none provided
Standard Lemma guide
copperas
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.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
Meaning 2
An obsolete sulphate compound with one of the three metals, zinc, copper or iron.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Middle English coperas, coperose (“metallic sulfate”), from Old French coperose. Compare French couperose (“sulfate”), Medieval Latin cuprosa, Late Latin aqua cuprosa, Latin cupri rosa, "rose of copper".
Across languages
Translations
5 source translations are retained for this English entry.
- French: copperas — sulphate compound with one of three metals
- German: Vitriol — sulphate compound with one of three metals
- Italian: copparosa — sulphate compound with one of three metals
- Portuguese: caparrosa — sulphate compound with one of three metals
- Spanish: caparrosa — sulphate compound with one of three metals