Noun
A binary compound of sulphur containing two atoms of sulphur in each molecule; -- formerly called disulphuret. Cf. Bisulphide.
Source: Webster's dictionaryDry lubricants such as graphite, molybdenum disulphide and tungsten disulphide also offer lubrication at temperatures (up to 350 °C) higher than liquid and oil-based lubricants are able to operate. Source: Internet
The bitumen content varies from 83% to 92% (soluble in carbon disulphide), with a penetration value near to zero and a softening point (ring & ball) around 120 °C. Source: Internet