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Index
: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
[2x]
: Y Y- Y2 Y< Ya Yb Yc Yd Ye Yf Yg Yh Yi Yl Ym Yn Yo Yp Yq Yr Ys Yt Yu Yv Yw
ytterbium | yttria | yttric | yttriferous | yttrious | Yttrium | yttro-cerite | yttro-columbite | yttro-tantalite | yu | yuan

Yttrium

 : 
Noun
 : 
yt=tri=um

CIDE DICTIONARY

Yttriumn. [NL., from Ytterby, in Sweden. See Erbium.].
     A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic number 39. Atomic weight, 88.9.  [1913 Webster]
    " Associated with yttrium are certain rare elements, as erbium, ytterbium, samarium, etc., which are separated in a pure state with great difficulty. They are studied by means of their spark or phosphorescent spectra. Yttrium is now regarded as probably not a simple element, but as a mixture of several substances."  [1913 Webster]

OXFORD DICTIONARY

Yttrium, n. Chem. a greyish metallic element resembling the lanthanides, occurring naturally in uranium ores and used in making superconductors.

Usage
Symb.: Y.
Etymology
formed as YTTERBIUM

For further exploring for "Yttrium" in Webster Dictionary Online


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