frequency
noun/ˈfɹiːkwənsi/
Etymology From Latin frequentia, from frequens. By surface analysis, frequent + -cy.
1
The rate of occurrence of anything; the relationship between incidence and time period.
- With growing confidence, the Viking’s raids increased in frequency.
- The frequency of bus service has been improved from one every 15 to one every 12 minutes.
2
The property of occurring often rather than infrequently.
- The FAQ addresses questions that come up with some frequency.
- The frequency of the visits was what annoyed him.
3
The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t.
- The frequency of the musical note A above middle C is 440 oscillations per second.
- The frequency of a wave is its velocity v divided by its wavelength #92;lambda: f#61;v#47;#92;lambda.
4 more examples
- Broadcasting live at a frequency of 98.3 megahertz, we’re your rock alternative!
- The frequency for electric power in the Americas is generally 60 Hz rather than 50.
- […] the Plan incorporates in proper combination every available modern technique, including extensive electrification on the new standard high-voltage a.c. system at a frequency of 50 cycles; main-line diesel traction as a half-way house to electrification; lightweight diesel trains for secondary and branch services; and a smaller wagon fleet doing more work by the use of continuous brakes in conjunction with modernised terminals and marshalling yards.1958 January 23, 'Borderer', “Ten Years of British Railways”, in Railway Magazine, page 15:
- 36 MHz transponder providing a pool of 794 reallocatable frequencies.1976, James Martin, Telecommunications and the Computer:
4
A tone, character, mood, or vibe
- And if you haven’t picked up on the gay frequencies in her lyrics, her wig choices, and her possible lesbian salutes? Maybe that’s because they weren’t meant for you. IYKYK.2023 August 31, Frankie de la Cretaz, “Postcard from Camp Gaylore”, in Cosmopolitan:
5
Mathematics, Sciences, Statistics number of times an event occurred in an experiment (absolute frequency)
6
Communications, Electrical engineering, Engineering, Natural sciences, Physical sciences, Telecommunications range of electromagnetic waves used for wireless communication in devices like radios, TVs and mobile phones
- Antonyms
- period
- Derived terms
60 terms
angular frequency, audio frequency, beat frequency oscillator, bifrequency, Coriolis frequency, cyclofrequency, dual-frequency, dual tone multi-frequency, eigenfrequency, equifrequency, extremely low frequency, frecency, frequency assignment, frequency band, frequency channel, frequency clause, frequency dictionary, frequency distribution, frequency domain, frequency illusion, frequency list, frequency modulation, frequency multiplier, frequency-shift keying, frequency shift keying, fundamental frequency, gyrofrequency, high-frequency, high frequency, high frequency gravitational wave, high-frequency gravitational wave, high-frequency trading, intermediate frequency, isofrequency, Larmor frequency, maximum usable frequency, midfrequency, monofrequency, multifrequency, overfrequency, Planck angular frequency, Planck frequency, radio frequency, radio-frequency, radio-frequency identification, radio frequency integrated circuit, relative frequency, sub-audio frequency, subfrequency, super high frequency, time and frequency transfer, time frequency adverbial, time-frequency analysis, time-frequency representation, trifrequency, ultra high frequency, ultra low frequency, underfrequency, unifrequency, very high frequency- Related terms
70 terms
frequent, frequentative, frequenter, cadence, commonness, occurrence, periodicity, usual, common, rare, very rare, extremely rare, non-occurring, always, almost always, very often, usually, more often than not, as often as not, often, frequently, sometimes, occasionally, rarely, seldom, infrequently, very rarely, hardly ever, almost never, never, once, twice, thrice, three times, four times, five times, minutely, hourly, daily, weekly, biweekly, monthly, yearly, annual, biennial, centennial, centenary, millennial, decamillennial, once per second, once a second, once every second, once a minute, twice a day, annually, biennially, hertz, kilohertz, megahertz, gigahertz, rareness, rarity, period, time, rate, ratio, quantifier, unit of measure, Appendix:Roget MICRA thesaurus/Class I § 136. Frequency, :Category:English frequency adverbs