Dictionary.com
definitions

deuterium oxide

noun Chemistry.
  1. heavy water.

Origin of deuterium oxide

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for deuterium oxide

deuterium oxide

noun
  1. another name for heavy water
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
deuterium oxide in Science

deuterium oxide

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