Gd


Symbol, Chemistry.

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Question 1 of 10
orchard

Definition for gd (2 of 4)

GD

Real Estate.

garbage disposal.

Definition for gd (3 of 4)

Definition for gd (4 of 4)

G.D.

Grand Duchess.
Grand Duke.
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Example sentences from the Web for gd

British Dictionary definitions for gd (1 of 2)

gd

the internet domain name for

Grenada

British Dictionary definitions for gd (2 of 2)

Gd

the chemical symbol for

gadolinium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for gd

Gd

The symbol for the elementgadolinium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for gd (1 of 2)

Gd

The symbol for gadolinium.

Scientific definitions for gd (2 of 2)

gadolinium
[ găd′l-ĭnē-əm ]

Gd

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. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.