Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to heavy hydrogen: tritium
An isotope of hydrogen with mass number greater than 1; deuterium or tritium.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) another name for deuterium
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
either of the heavy isotopes of hydrogen, esp. deuterium.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||heavy hydrogen - an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)|
isotope - one of two or more atoms with the same atomic number but with different numbers of neutrons
hydrogen atom - an atom of hydrogen
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.