Found 2 items, similar to Lutetium.
English → English (WordNet)
Definition: lutetium
lutetium
n : a trivalent metallic element of the rare earth group;
usually occurs in association with yttrium [syn:
lutecium,
Lu,
atomic number 71]
English → English (gcide)
Definition: Lutetium
Lutetium
\Lu*te"ti*um\, n. (Chem.)
A metallic element separated from ytterbium in 1907, by
Urbain in Paris and by von Welsbach in Vienna. It is a member
of the Lanthanide rare earth group. Symbol, Lu; atomic number
71; atomic weight 174.967 [C=12.011]. Previously spelled
Lutecium.
[Webster 1913 Suppl. +PJC]