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[hohl-mee-uh m] /ˈhoʊl mi əm/
noun, Chemistry.
a rare-earth, trivalent element found in gadolinite. Symbol: Ho; atomic weight: 164.930; atomic number: 67.
Origin of holmium
< New Latin (1879), equivalent to Holm(ia) Stockholm + -ium -ium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for holmium


a malleable silver-white metallic element of the lanthanide series. Symbol: Ho; atomic no: 67; atomic wt: 164.93032; valency: 3; relative density: 8.795; melting pt: 1474°C; boiling pt: 2700°C
Word Origin
C19: from New Latin Holmia Stockholm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for holmium

rare earth element, named by French chemist Lecoq de Boisbaudran (1838-1912) in 1886, from holmia "holmium oxide," a Modern Latin word coined by the earth's discoverer, Swedish chemist Per Teodor Cleve (1840-1905), in 1879 from Holmia, Latin name of Stockholm.

Online Etymology Dictionary, © 2010 Douglas Harper
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holmium in Medicine

holmium hol·mi·um (hōl'mē-əm)
Symbol Ho
A soft malleable rare-earth element. Atomic number 67; atomic weight 164.930; melting point 1,472°C; boiling point 2,700°C; specific gravity 8.80; valence 3.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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holmium in Science
Symbol Ho
A soft, silvery, malleable metallic element of the lanthanide series. Its compounds are highly magnetic. It is mainly used in scientific research but has also been used to make electronic devices. Atomic number 67; atomic weight 164.930; melting point 1,461°C; boiling point 2,600°C; specific gravity 8.803; valence 3. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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