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Definition of Molybdenum in English :

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Molybdenum

see synonyms of molybdenum

Noun

1. atomic number 42, mo, molybdenum

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

WordNet Lexical Database for English. Princeton University. 2010.

Molybdenum

see synonyms of molybdenum
noun
a very hard ductile silvery-white metallic element occurring principally in molybdenite: used mainly in alloys, esp to harden and strengthen steels. Symbol: Mo; atomic no: 42; atomic wt: 95.94; valency: 2–6; relative density: 10.22; melting pt: 2623°C; boiling pt: 4639°C

Collins English Dictionary. Copyright © HarperCollins Publishers

Molybdenum

see synonyms of molybdenum
noun
a very hard, lustrous, silver-white metallic chemical element, used in alloys, points for spark plugs, etc.: symbol, Mo; at. no., 42
see the periodic table of elements in the Reference Supplement

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Molybdenum

see synonyms of molybdenum
n. Symbol Mo
A hard, silvery-white metallic element used to toughen steels and in corrosion-resistant nickel alloys. An essential trace element in plant nutrition, it is used in fertilizers, dyes, enamels, and reagents. Atomic number 42; atomic weight 95.96; melting point 2,623°C; boiling point 4,639°C; specific gravity 10.22 (at 20°C); valence 2, 3, 4, 5, 6. See Periodic Table.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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