yttric

yttrium

[ih-tree-uhm]
noun Chemistry.
a rare trivalent metallic element, found in gadolinite and other minerals. Symbol: Y; atomic weight: 88.905; atomic number: 39; specific gravity: 4.47.


Origin:
1815–25; < Neo-Latin, named after Ytterby. See ytterbia, -ium

yttric, adjective
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World English Dictionary
yttrium (ˈɪtrɪəm)
 
n
a silvery metallic element occurring in monazite and gadolinite and used in various alloys, in lasers, and as a catalyst. Symbol: Y; atomic no: 39; atomic wt: 88.90585; valency: 3; relative density: 4.469; melting pt: 1522°C; boiling pt: 3338°C
 
[C19: New Latin; see ytterbia]
 
'yttric
 
adj

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Etymonline
Word Origin & History

yttrium
metallic rare-earth element, 1866, coined in Mod.L. by Swed. chemist Carl Gustaf Mosander (1797-1858) from Ytterby, name of a town in Sweden where it was discovered.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

yttrium yt·tri·um (ĭt'rē-əm)
n.
Symbol Y
A silvery, ductile, rare-earth element used in various alloys. Atomic number 39; atomic weight 88.905; melting point 1,522°C; boiling point 3,338°C; specific gravity 4.47 (25°C); valence 3.

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American Heritage
Science Dictionary
yttrium   (ĭt'rē-əm)  Pronunciation Key 
Symbol Y
A silvery metallic element found in the same ores as elements of the lanthanide series. Yttrium is used to strengthen magnesium and aluminum alloys, to provide the red color in color televisions, and as a component of various optical and electronic devices. Atomic number 39; atomic weight 88.906; melting point 1,522°C; boiling point 3,338°C; specific gravity 4.45 (25°C); valence 3. See Periodic Table.
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