Definition of molybdena in US English:

molybdena

noun

Chemistry Mineralogy
  • (A) Any of various substances resembling lead, especially molybdenite (molybdenum disulphide). Now chiefly historical. (b) The metallic element molybdenum. Now chiefly historical.

Origin

Mid 17th century (in an earlier sense). From classical Latin molybdaena a kind of lead ore, also as the name of a plant from ancient Greek μολύβδαινα a kind of lead ore, angler's plummet from μόλυβδος lead + -αινα, suffix forming nouns.

Pronunciation

molybdena

/mɒlɪbˈdiːnə/