LUTECIUM
Lu*te"ci*um, n. (Chem.)

Defn: A metallic element separated from ytterbium in 1907, by Urbain in Paris and by von Welsbach in Vienna. Symbol, Lu; at. wt. 174.0.

LUTEIC Lu*te"ic, a. (Chem.) (a) Pertaining to, or derived from, weld (Reseda luteola). (b) Pertaining to, or designating, an acid resembling luteolin, but obtained from the flowers of Euphorbia cyparissias.

LUTEIN
Lu"te*in, n. Etym: [From corpus luteum.] (Physiol. Chem.)

Defn: A substance of a strongly marked yellow color, extracted from the yelk of eggs, and from the tissue of the corpus luteum.

LUTENIST
Lut"e*nist, n.

Defn: Same as Lutanist.

LUTEO-
Lu"te*o-. Etym: [L. luteus.] (Chem.)

Defn: A combining form signifying orange yellow or brownish yellow.

LUTEOCOBALTIC
Lu"te*o*co*balt"ic, a. (Chem.)