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heavy hydrogen

noun
1.
either of the heavy isotopes of hydrogen, especially deuterium.
2.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for heavy hydrogen
  • Caging heavy hydrogen molecules is even more interesting.
  • Then a normal and heavy hydrogen combine into a light helium.
  • Cold fusion using fullerene to squeeze heavy hydrogen is one method.
  • The more heavy hydrogen you have, the warmer the cloud was that had the snow.
British Dictionary definitions for heavy hydrogen

heavy hydrogen

noun
1.
another name for deuterium
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
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heavy hydrogen in Medicine

heavy hydrogen n.
See deuterium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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heavy hydrogen in Science
heavy hydrogen  
See deuterium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for heavy hydrogen

deuterium

isotope of hydrogen with atomic weight of approximately 2. Its nucleus, consisting of one proton and one neutron, has double the mass of the nucleus of ordinary hydrogen. Deuterium is a stable atomic species found in natural hydrogen compounds to the extent of 0.014 to 0.015 percent.

Learn more about deuterium with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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14
13
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