molybdena
noun
mo·lyb·de·na
məˈlibdənə
plural -s
1
obsolete
a
: molybdenite
b
: molybdenum
2
: an oxide of molybdenum of uncertain structure that is used in catalysis frequently supported on alumina
Word History
Etymology
New Latin, from Latin molybdaena galena, from Greek molybdaina, from molybdos lead