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1. chemical warfare
2. continuous wave
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.
(Electronics) radio continuous waves
a. an informal term for Morse code
b. (as modifier): his CW speed is 30 words per minute.
(Firearms, Gunnery, Ordnance & Artillery) chemical weapons or chemical warfare
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. chemical warfare.
2. continuous wave.
3. conventional wisdom.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.