copperas

Fetched 2026-10-26 (cache).

Synonyms: coppers, copperah, copper, coppery, poppers, corporas, coopers, cowpeas, choppers, coppered, hoppers

Antonyms: coppers, copperah, copper, coppery, poppers, corporas, coopers, cowpeas, choppers, coppered, hoppers

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|historical|inexact}} Any of [[various]] [[metallic]] [[sulphate]]s [[form]]ed from the [[reaction]] of [[sulfur]] with [[iron]], [[zinc]], or [[copper]], [[especially]] {{lb|en|alchemy}} [[solution]]s of [[such]] [[compound]]s [[misunderstood]] as a [[mediator]] or [[catalyst]] for the [[transmutation]] of [[iron]] into [[copper]] [[&c.]]
2. {{lb|en|archaic}} {{synonym of|en|iron(II) sulfate}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.