Definition of molybdenum disulphide in English:

molybdenum disulphide

(US molybdenum disulfide)

noun

Chemistry
  • A sulphide of molybdenum, MoS₂, which occurs naturally as molybdenite and is used as a dry lubricant.

Origin

Mid 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator.