lutetium
or lu·te·ci·um
[ loo-tee-shee-uh m ]
/ luˈti ʃi əm /
noun Chemistry.
a trivalent rare-earth element. Symbol: Lu; atomic weight: 174.97; atomic number: 71.
Origin of lutetium
1905–10; < Latin
Lūtēt(ia) Paris +
-ium
Words nearby lutetium
luteotropic hormone,
luteotropin,
luteous,
lutestring,
lutetia,
lutetium,
luth.,
luther,
luther, martin,
lutheran,
lutheran church
British Dictionary definitions for lutetium
lutetium
lutecium
/ (lʊˈtiːʃɪəm) /
noun
a silvery-white metallic element of the lanthanide series, occurring in monazite and used as a catalyst in cracking, alkylation, and polymerization. Symbol: Lu; atomic no: 71; atomic wt: 174.967; valency: 3; relative density: 9.841; melting pt: 1663°C; boiling pt: 3402°C
Word Origin for lutetium
C19: New Latin, from Latin
Lūtētia ancient name of Paris, home of G. Urbain (1872–1938), French chemist, who discovered it
Medical definitions for lutetium
lutetium
n. Symbol Lu
A rare-earth element, used in nuclear research. Atomic number 71.
Scientific definitions for lutetium
lutetium
[ lōō-tē′shē-əm ]
Lu
A silvery-white metallic element of the lanthanide series that is used in nuclear technology. Its radioactive isotope is used in determining the age of meteorites. Atomic number 71; atomic weight 174.97; melting point 1,663°C; boiling point 3,395°C; specific gravity 9.840 (at 25°C); valence 3. See Periodic Table.