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单词 erbium
释义

erbium

[ ur-bee-uhm ]
/ ˈɜr bi əm /

noun Chemistry.

a rare-earth metallic element, having pink salts. Symbol: Er; atomic weight: 167.26; atomic number: 68.

Origin of erbium

1835–45; <New Latin, named after Ytterby, Sweden, where first found; see -ium

Words nearby erbium

erasure, Erato, Eratosthenes, ERBF, Erbil, erbium, Erb's disease, Erb's palsy, Erb's sign, Erb-Westphal sign, Erceldoune
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for erbium

  • Erbium, a rare metal found along with yttrium, terbium, and other rare elements in some rare minerals.

    The New Gresham Encyclopedia|Various
  • (c.) Yttria (YO) occurs only in a few rare minerals, and usually in company with terbium and erbium.

    A System of Instruction in the Practical Use of the Blowpipe|Anonymous
  • A rare metal found by Prof. Mosander, associated with erbium and yttrium in ordinary yttria.

    Cooley's Practical Receipts, Volume II|Arnold Cooley

British Dictionary definitions for erbium

erbium
/ (ˈɜːbɪəm) /

noun

a soft malleable silvery-white element of the lanthanide series of metals: used in special alloys, room-temperature lasers, and as a pigment. Symbol: Er; atomic no: 68; atomic wt: 167.26; valency: 3; relative density: 9.006; melting pt: 1529°C; boiling pt: 2868°C

Word Origin for erbium

C19: from New Latin, from (Ytt) erb (y), Sweden, where it was first found + -ium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for erbium

erbium
[ ûrbē-əm ]

n. Symbol Er

A soft rare-earth element, used in metallurgy and nuclear research. Atomic number 68.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for erbium

erbium
[ ûrbē-əm ]

Er

A soft, silvery, metallic element of the lanthanide series. It is used as a neutron absorber in nuclear technology and in light amplification for fiber-optic telecommunications. Atomic number 68; atomic weight 167.26; melting point 1,497°C; boiling point 2,900°C; specific gravity 9.051; valence 3. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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