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单词 defcon
释义

Defconn.

Brit. /ˈdɛfkɒn/, U.S. /ˈdɛfˌkɑn/
Forms: 1900s def-con, 1900s– Defcon, 1900s– DEFCON, 1900s– DefCon, 1900s– Def Con, 2000s– defcon.
Origin: Formed within English, as an acronym. Etymon: English DefenseReadiness Condition.
Etymology: Acronym < the initial letters of Defense Readiness Condition.
Originally and chiefly U.S.
1. With following number: any of five levels of alert used by the United States armed forces, characterized by the mobilization of increasingly vigorous responses from one or more military commands.The series of alerts begins at Defcon 5, the normal peacetime state of readiness, and advances to Defcon 1, maximum force readiness.
ΚΠ
1959 Rec. U.S. Joint Chiefs of Staff (U.S. National Arch., Record Group 218) 488 The proposed uniform system format titled ‘Defense Readiness Conditions’ (DEFCON)..would achieve the desired uniformity, if adopted. It is a compound of five conditions, with ‘DEFCON 5’ being normal readiness and DEFCON 1 being maximum readiness.
1973 Stars & Stripes (Darmstadt, Germany) 28 Oct. 7/2 The possibility of the Soviet Union moving airborne troops into the Middle East put the armed forces on a DEFCON 3.
1995 T. Clancy & S. Pieczenik Op-Center xii. 46 To summarize, Mr. President, our policy is to go to Defcon 5.
2003 Times 4 Oct. (Weekend Review section) 4/4 In Washington, Nixon, on the verge of a nervous breakdown, ordered US forces to go to ‘DefCon III’.
2014 Frederick (Maryland) News-Post 5 Mar. a6/2 Forget the exhortations of armchair strategists who would take American military forces to DEFCON 1 combat status immediately.
2. figurative. With following number: a notional scale (from one to five; see note at sense 1) indicating the level of intensity, anticipation, readiness, vigilance, etc., in a particular context or situation. Esp. in Defcon 1: the highest possible level of intensity, anticipation, etc.
ΚΠ
1984 Pittsburgh Post-Gaz. 29 Aug. 14/2 The Panthers spent yesterday converting to DEFCON 2. Defense condition 2 calls for a shower of compliments aimed at the enemy to neutralize his adrenaline.
1987 Toronto Star 21 Mar. (Starweek section) 72/3 At that point, the ‘Hippie alert’ kicked in at ‘defcon 3’ and I fled to the nearest pasta bar.
1988 Washington Post 27 Feb. a1/2 Addressing the March 8 presidential cataclysm known as ‘Super Tuesday’, Robert Herbst positively rings with alarm. ‘Today we're at DEFCON 3... In a day or so we'll be at DEFCON 2. Probably by next week we'll hit DEFCON 1.’
1999 Guardian 26 Jan. 15/4 Tension becomes further heightened—the marriage moves, to borrow from the argot of the arms race, to DefCon 1—when Rebecca finds me at my desk examining the chest X-rays.
2011 N.Y. Times (National ed.) 4 Aug. e5/1 A massive tent was erected on the lawn, with the air-conditioning cranked up to Defcon 1.
This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022).
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n.1959
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