from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A mineral form of molybdenum sulfide, MoS2, that is the principal ore of molybdenum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mineral, molybdenum disulfide MoS2, that is the principal ore of molybdenum; it is structurally similar to graphite and has a similar look and feel.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral occurring in soft, lead-gray, foliated masses or scales, resembling graphite; sulphide of molybdenum.
from The Century Dictionary and Cyclopedia
- n. Sulphid of molybdenum, occurring in foliated masses or in scales, less often in hexagonal crystals, of a lead-gray color and metallic luster. It is very soft, and, like graphite, which it closely resembles, leaves a trace on paper.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds
molybden(um) + -ite1.(American Heritage® Dictionary of the English Language, Fourth Edition)
From molybdenum + -ite. (Wiktionary)