chalcanthum

English

Etymology

Borrowed from French calcante or Latin chalcanthum.

Noun

chalcanthum (uncountable)

(alchemy, obsolete) Copper(II) sulfate (CuSO₄).
Synonyms: calcanthum, chalcanth

Derived terms

chalcanthite

References

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

Latin

Etymology

From Ancient Greek χάλκανθον (khálkanthon).

Noun

chalcanthum n (genitive chalcanthī); second declension

copperas (paste in water, for blackening leather)

Declension

Second-declension noun (neuter).

Case	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.

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