单词 | zero hour |
释义 | zero hourSEE SYNONYMS FOR zero hour ON THESAURUS.COM nounthe time set for the beginning of a military attack or operation. the time set for the beginning of any event or action. a decisive or critical time. Origin of zero hourFirst recorded in 1915–20 Words nearby zero hourzero-divisor, zero-emission, zero-emission vehicle, zero gravity, zero grazing, zero hour, zero in, zero in on, zero option, zero-point energy, zero population growth Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for zero hourzero hour nounmilitary the time set for the start of an attack or the initial stage of an operation informal a critical time, esp at the commencement of an action 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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