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H-hour

 
Dictionary: H-hour   (āch'our')
n.
See zero hour.

[H (abbr. of HOUR) + HOUR.]


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The time of day at which an attack, landing, or other military operation is scheduled to begin.

Etymology: World War I: from H (for hour) + hour.

See the Introduction, Abbreviations and Pronunciation for further details.

 
 

 

Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
US Military Dictionary. The Oxford Essential Dictionary of the U.S. Military. Copyright © 2001, 2002 by Oxford University Press, Inc. All rights reserved.  Read more
Military Dictionary. US Department of Defense Dictionary of Military and Associated Words, 2003.  Read more