'Molybdenite' definitions:

Definition of 'molybdenite'

From: WordNet
noun
A mineral resembling graphite that is valued as the chief source of molybdenum and its compounds

Definition of 'Molybdenite'

From: GCIDE
  • Molybdenite \Mo*lyb"de*nite\, n. [Cf. F. molybd['e]nite. See Molybdena.] (Min.) A mineral occurring in soft, lead-gray, foliated masses or scales, resembling graphite; sulphide of molybdenum. [1913 Webster]