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molybdenum disulfide

noun, Chemistry
1.
a black crystalline powder, MoS 2 , insoluble in water, used as a lubricant and as a hydrogenation catalyst.
Also called molybdenum sulfide.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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