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frequency
1 ENTRIES FOUND:
plural frequencies
plural frequencies
Learner's definition of FREQUENCY
1
[noncount] : the fact or condition of happening often : common occurrence频繁；频发
- the alarming frequency of serious automobile accidents caused by young drivers年轻司机引起的严重交通事故的令人震惊的频发
- The frequency of student errors was frustrating to the young teacher.学生频繁出错让那位年轻的教师感到沮丧。
2
[noncount] : the number of times that something happens during a particular period发生频率；出现次数
- The frequency of our visits decreased [=our visits occurred less often] during the school year.上学期间我们的参观次数减少了。
- Our visits decreased in frequency.我们参观的次数减少了。
- Errors were occurring with increasing frequency.错误出现得越来越多。
- high/low frequency高/低发生率
3
technical : the number times that something (such as a sound wave or radio wave) is repeated in a period of time (such as a second)频率
[noncount]
- a sound wave of high/low frequency高/低频声波
[count]
- waves having very different frequencies from one another频率迥异的波
- high/low frequencies高/低频率
- a current having a frequency of 60 hertz频率为60赫兹的电流
- a radio frequency of 30 megahertz*30兆赫的无线电频率
frequency
noun
fre·quen·cy ˈfrē-kwən(t)-sē 
plural frequencies
2
a
: the number of times that a periodic function repeats the same sequence of values during a unit variation of the independent variable
b
: the number, proportion, or percentage of items in a particular category in a set of data
3
: the number of repetitions of a periodic process in a unit of time: such as
a
: the number of complete alternations (see alternation sense 1) per second of an alternating current
b
: the number of complete oscillations (see oscillation sense 3) per second of energy (such as sound or electromagnetic radiation) in the form of waves
Synonyms
Example Sentences
the alarming frequency of serious automobile accidents caused by young drivers The frequency of student errors was frustrating to the young teacher. Our visits decreased in frequency. Errors were occurring with increasing frequency. a sound wave of high frequency waves having very different frequencies from one another a current having a frequency of 60 hertz a radio frequency of 30 megahertz See More
Recent Examples on the Web But celebration should, at times, be tempered: We are not told that the program never achieved its original goals of bringing down space-flight costs while increasing their frequency to 40 or 50 times a year (the program averaged five). 
Edward Rothstein, WSJ, 24 Aug. 2022 So astronomers at Chandra remixed the sound and increased its frequency by 57 and 58 octaves. Annabelle Timsit, Anchorage Daily News, 23 Aug. 2022 So astronomers at Chandra remixed the sound and increased its frequency by 57 and 58 octaves. Annabelle Timsit, Washington Post, 21 Aug. 2022 What should be the board's stance on approving secondary transactions in startups - their frequency and amount cap? Alex Lazarow, Forbes, 12 Aug. 2022 Skeptics of gun restrictions often argue that other factors must explain Japan’s low rate of gun violence or its frequency in the United States. New York Times, 9 July 2022 Skeptics of gun restrictions often argue that other factors must explain Japan’s low rate of gun violence or its frequency in the United States. Max Fisher, BostonGlobe.com, 9 July 2022 To get started, head to their website, choose your subscription frequency, and add enticing options to your cart. Kate Dingwall, PEOPLE.com, 30 June 2022 In fact, the sun causes the most common form of cancer and its frequency is growing. cleveland, 23 May 2022 See More
Edward Rothstein, WSJ, 24 Aug. 2022 So astronomers at Chandra remixed the sound and increased its frequency by 57 and 58 octaves. Annabelle Timsit, Anchorage Daily News, 23 Aug. 2022 So astronomers at Chandra remixed the sound and increased its frequency by 57 and 58 octaves. Annabelle Timsit, Washington Post, 21 Aug. 2022 What should be the board's stance on approving secondary transactions in startups - their frequency and amount cap? Alex Lazarow, Forbes, 12 Aug. 2022 Skeptics of gun restrictions often argue that other factors must explain Japan’s low rate of gun violence or its frequency in the United States. New York Times, 9 July 2022 Skeptics of gun restrictions often argue that other factors must explain Japan’s low rate of gun violence or its frequency in the United States. Max Fisher, BostonGlobe.com, 9 July 2022 To get started, head to their website, choose your subscription frequency, and add enticing options to your cart. Kate Dingwall, PEOPLE.com, 30 June 2022 In fact, the sun causes the most common form of cancer and its frequency is growing. cleveland, 23 May 2022 See More Word History
First Known Use
1600, in the meaning defined at sense 1
Time Traveler
The first known use of frequency was in 1600 Phrases Containing frequency
noun¹
noun²
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