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A mineral form of molybdenum sulfide, MoS2, that is the principal ore of molybdenum.
(Minerals) a soft grey mineral consisting of molybdenum sulphide in hexagonal crystalline form with rhenium as an impurity: the main source of molybdenum and rhenium. Formula: MoS2
a soft, graphitelike mineral, molybdenum sulfide, MoS2, occurring in foliated masses or scales: the principal ore of molybdenum.
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|Noun||1.||molybdenite - a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds|
atomic number 42, molybdenum, Mo - a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition