'Gadolinium' definitions:
Definition of 'gadolinium'
(from WordNet)
noun
A ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group [syn: gadolinium, Gd, atomic number 64]
Definition of 'Gadolinium'
From: GCIDE
- Gadolinium \Gad`o*lin"i*um\, n. [NL. See Gadolinite.] (Chem.) A rare earth metallic element of the Lanthanide series, with a characteristic spectrum, found associated with yttrium and other rare earth elements. Symbol, Gd; it has an atomic number of 64, an atomic weight of 157.25 (C=12.011), and a valence of +3. [1913 Webster +PJC]
Definition of 'gadolinium'
From: Elements
- Symbol: Gd
- Atomic number: 64
- Atomic weight: 157.25
- Soft silvery metallic element belonging to the lanthanoids. Seven natural, stable isotopes are known in addition to eleven artificial isotopes. Gd-155 and Gd-157 and the best neutron absorbers of all elements. Gadolinium compounds are used in electronics. Discovered by J.C.G Marignac in 1880.