Molybdena :: Molybdena (n.) See Molybdenite.

Molybdenite :: Molybdenite (n.) A mineral occurring in soft, lead-gray, foliated masses or scales, resembling graphite; sulphide of molybdenum..

Molybdenous :: Molybdenous (a.) See Molybdous.

Molybdenum :: Molybdenum (n.) A rare element of the chromium group, occurring in nature in the minerals molybdenite and wulfenite, and when reduced obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo. Atomic weight 95.9..

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