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zero hour

1 ENTRIES FOUND:
zero hour noun
zero hour
noun
Learner's definition of ZERO HOUR
[noncount]
: the time at which an event (such as a military attack) is scheduled to begin行动开始时刻;袭击发动时刻

zero hour

noun

1
a
: the hour at which a planned military operation is scheduled to start
b
: the time at which a usually significant or notable event is scheduled to take place
2
: a time when a vital decision or decisive change must be made

Example Sentences

we're at the zero hour, so someone has to make a decision
Recent Examples on the Web As Pac-12 teams prepare for Week Two, the existential clock approaches zero hour. oregonlive, 8 Sep. 2022 Hiking through the emerald green canopy of the bosque, or riverside cottonwood forest, near downtown Albuquerque, Tricia Snyder, an advocate for WildEarth Guardians, believes zero hour has arrived for the Rio Grande. Jim Robbins, Wired, 25 June 2022 Biden's August deadline marks zero hour for the next phase of a larger international quest: to trace back the virus in order to hold the responsible parties to account, and to understand its inception in order to prevent the next one. Sasha Pezenik, ABC News, 25 Aug. 2021 In Germany, some 3 million workers are being supported, with the government paying up to 60% of their net salary if they are temporarily put on shorter or zero hours. Masha Macpherson And David Mchugh, The Christian Science Monitor, 30 Apr. 2020 Major milestones in the emergency plan are performed according to a predetermined schedule in the hours and days leading up to the zero hour. Daniel B. Hess, CNN, 2 Sep. 2019 In Act Two, tensions continue to rise and reach their frightful climax at zero hour detonation. Paul Ross, Popular Mechanics, 27 July 2018 See More

Word History

Etymology

from its being marked by the count of zero in a countdown

First Known Use

1915, in the meaning defined at sense 1a

Time Traveler
The first known use of zero hour was in 1915

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