molybdenum disulfide

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(mə′lib·də·nəm dī′səl′fīd)

(inorganic chemistry) MoS2 A black lustrous powder, melting at 1185°C, insoluble in water, soluble in aqua regia and concentrated sulfuric acid; used as a dry lubricant and an additive for greases and oils. Also known as molybdenum sulfide; molybdic sulfide.


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molybdenite (mineral – in chemistry)
Tribology (fluid mechanics)
molybdenum (metal, element – in chemistry)
lubrication (process, machine)