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molybdenum disulfide

noun, Chemistry
a black crystalline powder, MoS 2 , insoluble in water, used as a lubricant and as a hydrogenation catalyst.
Also called molybdenum sulfide.
1930-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for molybdenum disulfide
  • Molybdenite, a relatively inexpensive mineral of molybdenum disulfide, has a layered structure similar to that of raw graphite.
  • The leached molybdenum disulfide is dried and stored in bins.
  • molybdenum disulfide competes as a dry lubricant, but is more sensitive to oxidative conditions.
  • The dry lubricant shall be molybdenum disulfide based.
  • In the roasting process, molybdenum disulfide concentrate was oxidized by air to molybdenum trioxide and sulfur dioxide.
  • It generally uses colloidal graphite or molybdenum disulfide carried in a phenolic resin.

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