D defs.my
Entry 1 sense Webster, 1913

Molybdenum

/məlĭb'dĭnəm/ · Mol·yb·de·num · IPA /məˈlɪbdɪnəm/
01 n. A rare element of the chromium group, occurring in nature in the minerals molybdenite and wulfenite, and when reduced obtained as a hard, s…
  1. 1.
    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 number 42. Atomic weight 95.94.(Chem.)