frequency

Plural: frequencies

Noun

• the number of occurrences within a given time period
  • "the frequency of modulation was 40 cycles per second"
  • "the frequency of his seizures increased as he grew older"
• the ratio of the number of observations in a statistical category to the total number of observations
• the number of observations in a given statistical category
• The rate of occurrence of anything; the relationship between incidence and time period.
• The property of occurring often rather than infrequently.
• The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t.
• A tone, character, mood, or vibe
• number of times an event occurred in an experiment (absolute frequency)

Examples

• Broadcasting live at a frequency of 98.3 megahertz, we’re your rock alternative!
• The FAQ addresses questions that come up with some frequency.
• The frequency for electric power in the Americas is generally 60 Hz rather than 50.
• The frequency of a wave is its velocity v divided by its wavelength #92;lambda: f#61;v#47;#92;lambda.
• The frequency of bus service has been improved from one every 15 to one every 12 minutes.
• The frequency of the musical note A above middle C is 440 oscillations per second.
• The frequency of the visits was what annoyed him.
• With growing confidence, the Viking’s raids increased in frequency.

Synonyms

absolute frequency, frequence, oftenness, relative frequency, commonness and Thesaurus:frequency, freq, frequency

Antonyms

period

Related Words

:Category:English frequency adverbs, Appendix:Roget MICRA thesaurus/Class I § 136. Frequency, almost always, almost never, always, annual, annually, as often as not, biennial, biennially, biweekly, cadence, centenary, centennial, common, commonness, daily, decamillennial, extremely rare, five times, four times, frequent, frequentative, frequenter, frequently, gigahertz, hardly ever, hertz, hourly, infrequently, kilohertz, megahertz, millennial, minutely, monthly, more often than not, never, non-occurring, occasionally, occurrence, often, once, once a minute, once a second, once every second, once per second, period, periodicity, quantifier, rare, rarely, rareness, rarity, rate, ratio, seldom, sometimes, three times, thrice, time, twice, twice a day, unit of measure, usual, usually, very often, very rare, very rarely, weekly, yearly