microsecondn.

Brit.

/ˈmʌɪkrə(ʊ)ˌsɛknd/, U.S.

/ˈmaɪkroʊˌsɛkən(d)/

Origin: Formed within English, by compounding. Etymons: micro- comb. form, second n.¹

Etymology: < micro- comb. form + second n.¹

1. One millionth of a second.

ΘΚΠ

the world > time > period > a second > [noun] > specific part of

atomOE

third1595

millisecond1882

centisecond1905

microsecond1906

nanosecond1958

picosecond1962

1906 A. E. Kennelly Wireless Telegr. ix. 99 If we call the one millionth part of a second one microsecond for convenience of description, then one complete wave would pass off in ¹/ _2.5 microsecond.

1942 J. D. Stranathan ‘Particles’ of Mod. Physics xii. 481 These particles are radioactive with a half life of a few microseconds.

1966 T. Pynchon Crying of Lot 49 v. 115 ‘Nearly three weeks it takes him,’ marvelled the efficiency expert, ‘to decide. You know how long it would've taken the IBM 7094? Twelve microseconds.’

1994 P. Davies Last Three Minutes v. 58 Such an event results in the emission of a short-lived pulse of gravitational radiation, lasting perhaps a few microseconds and typically carrying away 10⁴⁴ joules of energy.

2. More generally: any very short period of time.

ΚΠ

1960 Philos. & Phenomenol. Res. 21 75 Things are so turbulent and wild..that the universe would fly apart in a microsecond if it were not for the unobtrusive, cohesive functions of eternal objects.

1975 D. Lodge Changing Places ii. 90 She was a microsecond too late in closing the magazine.

1990 Autocar (BNC) 10 Oct. It isn't fair that two drivers can race hard for almost three hours, and then be disqualified because a mechanic took a microsecond too long to close a valve.

1994 G. Paulsen Winterdance viii. 142 In microseconds the anxiousness about Cookie grew to a mountain..all I could see was disaster.

This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	microsecond
释义	microsecondn. Brit. /ˈmʌɪkrə(ʊ)ˌsɛknd/, U.S. /ˈmaɪkroʊˌsɛkən(d)/ Origin: Formed within English, by compounding. Etymons: micro- comb. form, second n.¹ Etymology: < micro- comb. form + second n.¹ 1. One millionth of a second. ΘΚΠ the world > time > period > a second > [noun] > specific part of atomOE third1595 millisecond1882 centisecond1905 microsecond1906 nanosecond1958 picosecond1962 1906 A. E. Kennelly Wireless Telegr. ix. 99 If we call the one millionth part of a second one microsecond for convenience of description, then one complete wave would pass off in ¹/ _2.5 microsecond. 1942 J. D. Stranathan ‘Particles’ of Mod. Physics xii. 481 These particles are radioactive with a half life of a few microseconds. 1966 T. Pynchon Crying of Lot 49 v. 115 ‘Nearly three weeks it takes him,’ marvelled the efficiency expert, ‘to decide. You know how long it would've taken the IBM 7094? Twelve microseconds.’ 1994 P. Davies Last Three Minutes v. 58 Such an event results in the emission of a short-lived pulse of gravitational radiation, lasting perhaps a few microseconds and typically carrying away 10⁴⁴ joules of energy. 2. More generally: any very short period of time. ΚΠ 1960 Philos. & Phenomenol. Res. 21 75 Things are so turbulent and wild..that the universe would fly apart in a microsecond if it were not for the unobtrusive, cohesive functions of eternal objects. 1975 D. Lodge Changing Places ii. 90 She was a microsecond too late in closing the magazine. 1990 Autocar (BNC) 10 Oct. It isn't fair that two drivers can race hard for almost three hours, and then be disqualified because a mechanic took a microsecond too long to close a valve. 1994 G. Paulsen Winterdance viii. 142 In microseconds the anxiousness about Cookie grew to a mountain..all I could see was disaster. This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1906
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