H-hour

[ eych-ouuhr, -ou-er ]

/ ˈeɪtʃˌaʊər, -ˌaʊ ər /

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See synonyms for H-hour on Thesaurus.com

noun Military.

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

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Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of H-hour

First recorded in 1918; H (for hour) + hour; cf. D-day

Words nearby H-hour

hgwy., H.H., hhd, HHFA, H-hinge, H-hour, HHS, hi, Hialeah, hiatus, hiatus hernia

How to use H-hour in a sentence

So here I am in my requisite Lululemon pants, grunting along to an old hip-hop song at a most ungodly hour.
How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
I remember H. Jon Benjamin told me it was a way-too-late apology for Hiroshima and Nagasaki.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
An hour later, he scored a second flight to Johannesburg for $380.
‘We Out Here’: Inside the New Black Travel Movement|Charlise Ferguson|January 4, 2015|DAILY BEAST
In a 2009 interview, Church apostle Dallin H. Oaks held that the Church “does not have a position” on that point.
Your Husband Is Definitely Gay: TLC’s Painful Portrait of Mormonism|Samantha Allen|January 1, 2015|DAILY BEAST

He was released within the hour without a bond on his own recognizance.
What Would Happen if I Got in White Cop’s Face?|Goldie Taylor|December 30, 2014|DAILY BEAST
The night wore on, and the clock downstairs was striking the hour of two when she suddenly awakened.
The Homesteader|Oscar Micheaux
G was a gamester, who had but ill-luck; H was a Hunter, who hunted a buck.
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
The sound of my step shall make your heart jump; a look from me shall make you dumb for an hour.
Checkmate|Joseph Sheridan Le Fanu
Words are often everywhere as the minute-hands of the soul, more important than even the hour-hands of action.
Pearls of Thought|Maturin M. Ballou
After an hour, however, he reached this decision: He would not go to or call up Mrs. Merley.
The Homesteader|Oscar Micheaux

British Dictionary definitions for H-hour

H-hour

noun

military the specific hour at which any operation commencesAlso called: zero 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