First Known Use: 1814
Dictionary
molybdenum
noun mo·lyb·de·num \-nəm\
Definition of MOLYBDENUM
: a metallic element that resembles chromium and tungsten in many properties, is used especially in strengthening and hardening steel, and is a trace element in plant and animal metabolism — see element table
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Origin of MOLYBDENUM
New Latin, from molybdena, a lead ore, molybdenite, molybdenum, from Latin molybdaena galena, from Greek molybdaina, from molybdos lead
MOLYBDENUM Defined for Kids
molybdenum
noun mo·lyb·de·num \mə-ˈlib-də-nəm\
Definition of MOLYBDENUM for Kids
: a white metallic chemical element used in some steel to give greater strength and hardness
Medical Dictionary
molybdenum
noun mo·lyb·de·num \-də-nəm\
Medical Definition of MOLYBDENUM
: a metallic element that resembles chromium and tungsten in many properties, is used especially in strengthening and hardening steel, and is a trace element in plant and animal metabolism—symbol Mo; see element table
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