molybdaenum

Latin

Chemical element
Mo
Previous: niobium (Nb)
Next: technetium (Tc)

Alternative forms

• molybdenum, molybdænum

Etymology

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 (mariwda, “dark”), from Proto-Indo-European *morkʷ-iyo-, from a root *morkʷ- (“dark”).

Attested since the last quarter of 18th century.

Pronunciation

• (Classical Latin) IPA^(key): /mo.lybˈdae̯.num/, [mɔlʲʏbˈd̪äe̯nʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /mo.libˈde.num/, [molibˈd̪ɛːnum]

Noun

molybdaenum n (genitive molybdaenī); second declension

1. molybdenum (chemical element 42)

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	molybdaenum	molybdaena
Genitive	molybdaenī	molybdaenōrum
Dative	molybdaenō	molybdaenīs
Accusative	molybdaenum	molybdaena
Ablative	molybdaenō	molybdaenīs
Vocative	molybdaenum	molybdaena