molybdenite

[ muh-lib-duh-nahyt ]
/ məˈlɪb dəˌnaɪt /

noun

a soft, graphitelike mineral, molybdenum sulfide, MoS2, occurring in foliated masses or scales: the principal ore of molybdenum.

Origin of molybdenite

1790–1800; obsolete molybden(a) molybdenum + -ite1

Example sentences from the Web for molybdenite

British Dictionary definitions for molybdenite

molybdenite
/ (mɒˈlɪbdɪˌnaɪt) /

noun

a soft grey mineral consisting of molybdenum sulphide in hexagonal crystalline form with rhenium as an impurity: the main source of molybdenum and rhenium. Formula: MoS 2

Scientific definitions for molybdenite

molybdenite
[ mə-lĭbdə-nīt′ ]

A soft, lead-gray hexagonal mineral that is the principal ore of molybdenum. It occurs as sheetlike masses in pegmatites and in areas where contact metamorphism has taken place. Chemical formula: MoS2.