Meanings
noun
Synonyms & antonyms
nounSynonym of iron(II) sulfate.
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Origin
From the historical and less precise sense of copperas as inclusive of any metallic sulfate, with the distinguishing color of its iron form.
Full word history & related roots →Cite this entry
APA
green copperas. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/green%20copperas
MLA
“green copperas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/green%20copperas. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “green copperas,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/green%20copperas.
Source: green copperas on Wiktionary, CC BY-SA 4.0.