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EnglishEdit

EtymologyEdit

From the Latin caput mortuum (literally dead head).

PronunciationEdit

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NounEdit

caput mortuum (uncountable)

  1. Worthless residue, useless substance.
  2. Cardinal purple, a variety of haematite iron oxide pigment.

LatinEdit

EtymologyEdit

Literally, "dead head". Figurative use from alchemical literature.

NounEdit

caput mortuum

  1. a dead man's head, a skull
  2. worthless residue, useless substance
    • 1591 "Caput mortuum, ut est apud Paracelsum, sign. materias, quae sunt in fundo vasis chimici" (Antonio Ricciardo, Commentaria symbolica, p. 138)
  3. Cardinal purple, a variety of haematite iron oxide pigment