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View synonyms for H-hour

H-hour

[ eych-ouuhr, -ou-er ]

noun

, Military.
  1. the time, usually unspecified, set for the beginning of a planned attack.


H-hour

noun

  1. military the specific hour at which any operation commences Also calledzero hour
“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
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Word History and Origins

Origin of H-hour1

First recorded in 1918; H (for hour ) + hour; D-day
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Example Sentences

"There were formal projects led by trained scientists and researchers, such as the tide prediction mechanism created by British mathematician Arthur Thomas Doodson, which was used to identify the precise days/times that the H-Hour landings for D-Day should take place."

At H-hour on D-day, army chaplain Captain Leslie Skinner struck out for Gold beach.

A: Many flights don’t get completely booked, and the airline struggles to sell those last empty pricey seats at H-hour.

But a post H-Hour recording session with Endino, paid for with Doyle’s tax refund, was more fruitful.

Doyle moved to the Emerald City from Boise, Idaho, in the mid-’80s and formed his own group, H-Hour.

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