Gadolinium definitions

găd'l-ĭn'ē-əm
A silvery-white, malleable, ductile, metallic rare-earth element, with unusual magnetic properties including a Curie point at room temperature, obtained from monazite and bastnaesite and used in improving high-temperature characteristics of iron, chromium, and related alloys, and as a contrast medium for magnetic resonance imaging. Atomic number 64; atomic weight 157.25; melting point 1,313°C; boiling point approximately 3,273°C; specific gravity from 7.901; valence 3.
noun
0
0
A chemical element, one of the rare-earth elements, that is highly magnetic at low temperatures, superconductive, and has the highest rate of neutron absorption of any element: symbol, Gd; at. no. 64
noun
0
0
A silvery-white, malleable, ductile metallic element of the lanthanide series that has seven natural isotopes and 11 artificial isotopes. Two of the natural isotopes, Gd 155 and Gd 157, are the best known neutron absorbers. Gadolinium is used to improve the heat and corrosion resistance of iron, chromium, and various alloys and in medicine as a contrast medium for magnetic resonance imaging and as a radioisotope in bone mineral analysis. Atomic number 64; atomic weight 157.25; melting point 1,312°C; boiling point approximately 3,000°C; specific gravity from 7.8 to 7.896; valence 3.
0
0
A metallic chemical element (symbol Gd) with an atomic number of 64.
noun
0
0
Advertisement

Origin of gadolinium

After Johan Gadolin (1760–1852), Finnish chemist