molybdaenum

From New Latin molybdaena (“any of various substances resembling lead, including lead and molybdenum, their sulphides, and graphite”), from Ancient Greek μολύβδαινα (molúbdaina, “a plummet”), from μόλυβδος (mólubdos, “lead; graphite”), from an Anatolian word cognate with Lydian 𐤪𐤠𐤭𐤦𐤥𐤣𐤠 (marivda, “dark”), from Proto-Indo-European *morkʷ-iyo-, from a root *morkʷ- (“dark”)

Attested since the last quarter of 18th century.

• (Classical) IPA^(key): /mo.lybˈdae̯.num/, [mɔ.lʏbˈdae̯.nũ]
• (Ecclesiastical) IPA^(key): /moˈlib.dɛ.num/

molybdaenum n (genitive molybdaenī); second declension

1. molybdenum (chemical element 42)

Second declension.