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definitions

heavy hydrogen

noun
  1. either of the heavy isotopes of hydrogen, especially deuterium.
  2. deuterium.

Origin of heavy hydrogen

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for heavy hydrogen

Historical Examples of heavy hydrogen

  • Now a complete list of your uranium-refining plants, your military reactors, heavy-water and heavy-hydrogen plants, and so on.

    The Galaxy Primes

    Edward Elmer Smith

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
heavy hydrogen in Medicine

heavy hydrogen

n.
  1. deuterium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
heavy hydrogen in Science

heavy hydrogen

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