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Hasil cari dari kata atau frase: yttrium (0.00758 detik)
Found 2 items, similar to yttrium.
English → English (WordNet)
Definition: yttrium
yttrium
n : a silvery metallic element that is common in rare-earth
minerals; used in magnesium and aluminum alloys [syn:
Y,
atomic number 39]
English → English (gcide)
Definition: Yttrium
Yttrium
\Yt"tri*um\, n. [NL., from Ytterby, in Sweden. See
Erbium.] (Chem.)
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. [Written also
ittrium.]
[1913 Webster +PJC]
Note: 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]
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