chalcanthum

English

Etymology

Borrowed from French calcante or Latin chalcanthum.

Noun

chalcanthum (uncountable)

1. (alchemy, obsolete) Copper(II) sulfate (CuSO₄).

   Synonyms: calcanthum, chalcanth

Derived terms

• chalcanthite

References

• “chalcanthum”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.

Latin

Etymology

From Ancient Greek χάλκανθον (khálkanthon).

Noun

chalcanthum n (genitive chalcanthī); second declension

1. copperas (paste in water, for blackening leather)

Declension

Second-declension noun (neuter).

	singular	plural
nominative	chalcanthum	chalcantha
genitive	chalcanthī	chalcanthōrum
dative	chalcanthō	chalcanthīs
accusative	chalcanthum	chalcantha
ablative	chalcanthō	chalcanthīs
vocative	chalcanthum	chalcantha

Synonyms

• atramentum sutorium

References

• “chalcanthum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• chalcanthum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.