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n. A hard, silvery-white metallic element used to toughen alloy steels and soften tungsten alloy. An essential trace element in plant nutrition, it is used in fertilizers, dyes, enamels, and reagents. Atomic number 42; atomic weight 95.94; melting point 2,617°C; boiling point 4,612°C; specific gravity 10.22 (at 20°C); valence 2, 3, 4, 5, 6. See Table at element.

n. A metallic chemical element (symbol Mo) with an atomic number of 42.

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 number 42. Atomic weight 95.94.

n. Chemical symbol, Mo; atomic weight, 95. 8. A metal of a silver-white color, but harder than silver, which fuses with difficulty, if at all, at the highest temperature of a wind-furnace.

n. a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

"If copper is the life blood of the economy, I call molybdenum the glue of the economy."

metallic element    metal   

powellite    wulfenite   

vanadium    chromium    titanium    cadmium    beryllium    magnesium    zirconium    boron    strontium    selenium