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
Recent Examples of molybdenum from the Web
Molybdenum isotopes serve as a marker of the source material for our Solar System, determining what type of star contributed that material.
The micronutrients (or trace elements) are used in very tiny amounts and include boron, chlorine, copper, iron, manganese, molybdenum and zinc.
A molybdenum mine, once the county’s largest employer, shut down in 2014.
The holes revealed huge deposits of copper, gold, and molybdenum worth, in Northern Dynasty’s accounting, potentially hundreds of billions of dollars.
In contrast to silicon, a semiconductor, which can either conduct or insulate, depending on how it is chemically modified, Dr. Scherer’s tubes can be made from a range of conducting metals, such as tungsten, molybdenum, gold and platinum.
Over a billion pounds of molybdenum have been recovered during the mine’s operational lifetime.
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Origin and Etymology of molybdenum
New Latin, from molybdena, a lead ore, molybdenite, molybdenum, from Latin molybdaena galena, from Greek molybdaina, from molybdos lead
First Known Use: 1794See Words from the same year
MOLYBDENUM Defined for Kids
Definition of molybdenum for Students
: a white metallic chemical element used in some steel to give greater strength and hardness
Learn More about molybdenum
Britannica.com: Encyclopedia article about molybdenum
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