Defn: Pertaining to or containing gadolinium.

GADOLINITE
Gad"o*lin*ite, n. Etym: [Named after Gadolin, a Russian chemist.]
(Min.)

Defn: A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.

GADOLINIUM
Gad`o*lin"i*um, n. Etym: [NL. See Gadolinite.] (Chem.)

Defn: A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined.

GADSMAN
Gads"man, n.

Defn: One who uses a gad or goad in driving.

GADUIN
Gad"u*in, n.Etym: [NL. gadus codfish.] (Chem.)

Defn: A yellow or brown amorphous substance, of indifferent nature, found in cod-liver oil.

GADWALL
Gad"wall, n. Etym: [Gad to walk about + well.] (Zoöl.)