copperose

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A form of copperas — Any of various metallic sulphates formed from the reaction of sulfur with iron, zinc, or copper, especially (alchemy) solutions of such compounds misunderstood as a mediator or catalyst for the transmutation of iron into copper &c.

Scrabble 15

Meanings

nouncopperose (uncountable)
  1. alternativeobsoleteuncountableAlternative form of copperas.
    1 more example

    The ſecond way whereby bodies become blacke, is an Atramentous condition or mixture, that is a vitriolate or copperoſe quality conjoyning with a terreſtrious and aſtringent humidity, for ſo is Atramentum ſcriptorium, or writing Inke commonly made, by copperoſe caſt upon decoction or infuſion of galls...

    1646, Thomas Browne, Pseudodoxia Epidemica, Book 6, Chapter XII: "A Digression Concerning Blacknesse", p. 336
Cite this entry
APA

copperose. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/copperose

MLA

“copperose.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/copperose. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “copperose,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/copperose.

Source: copperose on Wiktionary, CC BY-SA 4.0.