clock raten.

Brit.

/ˈklɒk reɪt/, U.S.

/ˈklɑk ˌreɪt/

Origin: Formed within English, by compounding. Etymons: clock n.¹, rate n.¹

Etymology: < clock n.¹ + rate n.¹

1. The gain or loss that a timepiece makes in a particular period (esp. twenty-four hours) in comparison to an external standard, especially mean or sidereal time. Cf. rate n.¹ 9.

ΚΠ

1821 Philos. Trans. (Royal Soc.) 111 375 (caption) The clock rates from April 30th, are for the Astronomical Clock at the Royal Military Academy.

1948 H. C. Mitchell Def. Terms Geodetic & Other Surv. 16/1 Clock rate is usually expressed as the increase or decrease of the clock correction per day, hour, or minute as shown on the clock face.

2004 R. J. Matthys Accurate Clock Pendulums xxiv. 168 Using a thread of 32 threads/in., one revolution of a 50 g nut will change the clock rate by the desired sensitivity of 0.2 s/day.

2. Electronics and Computing. The rate or frequency at which an electronic oscillator or clock (clock n.¹ 7) produces pulses, measured in cycles per second or hertz; spec. this rate of the clock in a computer's central processor, used as an indicator of its operating speed; = clock speed n.

ΚΠ

1952 Rev. Electronic Digital Computers: Joint AIEE-IRE Computer Conf., 1951 43/2 The basic clock rate at which the control and arithmetic systems function is 400 kc.

1992 MacWorld June 234/3 Both the 68030 and the 68882 have heat sinks, and the RAM cache is matched to the 55MHz clock rate.

2007 Adv. in Computers 69 p. xiii As processor speeds have been increasing to clock rates of over 3 GHz (10⁹ cycles per second), it is not clear how much faster current technology can push processors.

This entry has been updated (OED Third Edition, December 2020; most recently modified version published online March 2022).

单词	clock rate
释义	clock raten. Brit. /ˈklɒk reɪt/, U.S. /ˈklɑk ˌreɪt/ Origin: Formed within English, by compounding. Etymons: clock n.¹, rate n.¹ Etymology: < clock n.¹ + rate n.¹ 1. The gain or loss that a timepiece makes in a particular period (esp. twenty-four hours) in comparison to an external standard, especially mean or sidereal time. Cf. rate n.¹ 9. ΚΠ 1821 Philos. Trans. (Royal Soc.) 111 375 (caption) The clock rates from April 30th, are for the Astronomical Clock at the Royal Military Academy. 1948 H. C. Mitchell Def. Terms Geodetic & Other Surv. 16/1 Clock rate is usually expressed as the increase or decrease of the clock correction per day, hour, or minute as shown on the clock face. 2004 R. J. Matthys Accurate Clock Pendulums xxiv. 168 Using a thread of 32 threads/in., one revolution of a 50 g nut will change the clock rate by the desired sensitivity of 0.2 s/day. 2. Electronics and Computing. The rate or frequency at which an electronic oscillator or clock (clock n.¹ 7) produces pulses, measured in cycles per second or hertz; spec. this rate of the clock in a computer's central processor, used as an indicator of its operating speed; = clock speed n. ΚΠ 1952 Rev. Electronic Digital Computers: Joint AIEE-IRE Computer Conf., 1951 43/2 The basic clock rate at which the control and arithmetic systems function is 400 kc. 1992 MacWorld June 234/3 Both the 68030 and the 68882 have heat sinks, and the RAM cache is matched to the 55MHz clock rate. 2007 Adv. in Computers 69 p. xiii As processor speeds have been increasing to clock rates of over 3 GHz (10⁹ cycles per second), it is not clear how much faster current technology can push processors. This entry has been updated (OED Third Edition, December 2020; most recently modified version published online March 2022). < n.1821
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