Hypertext Webster Gateway: "Erbium"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Erbium \Er"bi*um\, n. [NL. Named from Ytterby, in Sweden, where
gadolinite is found. Cf. {Terbium}, {Yttrium}, {Ytterbium}.]
(Chem.)
A metallic element of the rare earth group, found in
gadolinite and some other minerals. Symbol, Er; at. wt.
167.4. Its salts are rose-colored and give characteristic
spectra.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Erbium \Er"bi*um\, n. [NL. from Ytterby, in Sweden, where
gadolinite is found. Cf. {Terbium}, {Yttrium}, {Ytterbium}.]
(Chem.)
A rare metallic element associated with several other rare
elements in the mineral gadolinite from Ytterby in Sweden.
Symbol Er. Atomic weight 165.9. Its salts are rose-colored
and give characteristic spectra. Its sesquioxide is called
erbia.
From WordNet (r) 1.7 (wn)
erbium
n : a trivalent metallic element of the rare earth group; occurs
with yttrium [syn: {Er}, {atomic number 68}]
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.