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A mineral form of molybdenum sulfide, MoS2, that is the principal ore of molybdenum.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(məˈlɪb dəˌnaɪt)

a soft, graphitelike mineral, molybdenum sulfide, MoS2, occurring in foliated masses or scales: the principal ore of molybdenum.
[1790–1800; variant molybdenum + -ite1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The Croesus zone has pyrite, chalcopyrite and locally bornite or molybdenite occurring as fracture fillings and disseminations with copper carbonates.
Pyrite, pyrrhotite, chalcopyrite, molybdenite and scheelite are present.
a) thiosulfate mechanism (pyrite (Fe[S.sub.2]), molybdenite (Mo[S.sub.2]), and tungstenite (W[S.sub.2])), where iron(III) ions oxides metal sulfides generating thiosulfate as intermediary and main end-product:
The ore minerals observed include, pyrite, chalcopyrite, magnetite, molybdenite, galena etc.
Both rocks exhibit strong hydrothermal alteration and mineralization (Pyrite, Chalcopyrite and Molybdenite).
Optimizing conditions for hydrometallurgical production of purified molybdenum trioxide from roasted molybdenite of Sarcheshmeh.
Estimated to be worth as much as $6tn, North Korea's reserves of gold, copper, zinc, coal, magnesite and molybdenite could attract buyers from countries other than China, allowing Kim to diversify his sources of income if he opens up his country.
investigated the influences and mechanism of metal ions on the flotation of molybdenite by flotation experiments and measurements of zeta potential [16].
The presence of sulfur in such systems would result in the precipitation of molybdenite [10, 77-79].
Zircon U-Pb age of the quartz diorite is 88[+ or -]2Ma, which is consistent with the Re-Os isotope age (86.89 Ma) of molybdenite in skarn (Li et al., 2011).
The top-down method was used for the preparation of quantum dots from natural minerals (graphite, molybdenite, and tungstenite) and synthetic layered materials (h-BN, hBCN, and g-C3N4).