单词	frequency
释义	frequency noun fre·​quen·​cy ˈfrē-kwən(t)-sē  plural frequencies 1 : the fact or condition of occurring frequently the frequency of automobile accidents 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 commonness frequence frequentness prevalence See all Synonyms & Antonyms 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 Word History First Known Use 1600, in the meaning defined at sense 1 Phrases Containing frequency frequency modulation frequency distribution extremely high frequency extremely low frequency gene frequency frequency response low frequency high frequency medium frequency superhigh frequency radio frequency very high frequency very low frequency ultrahigh frequency See More frequency modulation frequency distribution extremely high frequency extremely low frequency gene frequency frequency response low frequency high frequency medium frequency superhigh frequency radio frequency very high frequency very low frequency ultrahigh frequency See More Kids Definition frequency noun fre·​quen·​cy ˈfrē-kwən-sē  plural frequencies 1 : frequent repetition Rain fell with frequency. 2 : rate of repetition She went with increasing frequency. 3 : the number of waves of sound or energy that pass by a point every second Tune the stereo to receive a specific frequency of radio waves. Medical Definition frequency noun fre·​quen·​cy ˈfrē-kwən-sē  plural frequencies 1 : the number of individuals in a single class when objects are classified according to variations in a set of one or more specified attributes 2 : the number of repetitions of a periodic process in a unit of time frequency noun as in prevalence the fact or state of happening often the frequency of twins in that family is remarkable Synonyms & Similar Words Relevance prevalence frequence occurrence incidence commonness frequentness continuousness regularity chronicity constancy appearance Antonyms & Near Antonyms infrequency unusualness rareness infrequence uncommonness
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