molybdenite

English Thesaurus

1. a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds (noun.substance)

hypernym	:	mineral,
definition	:	solid homogeneous inorganic substances occurring in nature having a definite chemical composition (noun.substance)

substance holonym	:	atomic number 42, mo, molybdenum,
definition	:	a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel (noun.substance)