frequency

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fre·quen·cy

 (frē′kwən-sē)
n. pl. fre·quen·cies
1. The property or condition of occurring at frequent intervals.
2. Mathematics & Physics The number of times a specified periodic phenomenon occurs within a specified interval, as:
a. The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.
b. The number of complete cycles of a periodic process occurring per unit time.
c. The number of repetitions per unit time of a complete waveform, as of an electric current.
3. Statistics
a. The number of measurements or observations having a certain value or characteristic.

[Latin frequentia, multitude, from frequēns, frequent-, crowded, numerous, frequent.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

frequency

(ˈfriːkwənsɪ)
n, pl -cies
1. the state of being frequent; frequent occurrence
2. the number of times that an event occurs within a given period; rate of recurrence
3. (Mathematics) physics the number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. It is usually measured in hertz. Symbol: ν or f
4. (Statistics) statistics
a. the number of individuals in a class (absolute frequency)
b. the ratio of this number to the total number of individuals under survey (relative frequency)
5. (Biology) ecology
a. the number of individuals of a species within a given area
b. the percentage of quadrats that contains individuals of a species
Also called (for senses 1, 2): frequence
[C16: from Latin frequentia a large gathering, from frequēns numerous, crowded]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

fre•quen•cy

(ˈfri kwən si)

n., pl. -cies.
1. Also, fre′quence. the state or fact of being frequent; frequent occurrence.
2. rate of occurrence.
3. Physics.
a. the number of periods or regularly occurring events of any given kind in a unit of time, usu. one second.
b. the number of cycles or completed alternations per unit time of a wave or oscillation. Symbol: F; Abbr.: freq.
4. Math. the number of times a value recurs in a unit change of the independent variable of a given function.
5. Statistics. the number of items occurring in a given category.
[1545–55; < Latin]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

fre·quen·cy

(frē′kwən-sē)
1. Physics The number of complete cycles of a wave, such as a radio wave, that occur per second. See more at wave.
2. Mathematics The ratio of the number of occurrences of some event to the number of opportunities for its occurrence.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Frequency

 

(See also DURATION, TIME.)

once in a blue moon Very rarely. A blue moon occurs when there is a full moon twice in the same month, an unusual event, but one that takes place from time to time.

rare as hen’s teeth See scarce as hen’s teeth, ABSENCE.

when two Fridays come together Never. Since two Fridays never come together, this expression is usually used as a sarcastic quip when one is asked when he intends to do something of an onerous nature such as complete a project, pay back a personal loan, or the like.

Picturesque Expressions: A Thematic Dictionary, 1st Edition. © 1980 The Gale Group, Inc. All rights reserved.

frequency

Number of cycles or waves per second.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.frequency - 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"
audio frequency, audio - an audible acoustic wave frequency
radio frequency - an electromagnetic wave frequency between audio and infrared
infrared, infrared frequency - the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared"
wave number - the reciprocal of the wavelength of a wave
attendance - the frequency with which a person is present; "a student's attendance is an important factor in her grade"
count per minute, counts/minute - frequency per minute
sampling frequency - (telecommunication) the frequency of sampling a continuously varying signal
rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"
2.frequency - the ratio of the number of observations in a statistical category to the total number of observations
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
incidence, relative incidence - the relative frequency of occurrence of something
3.frequency - the number of observations in a given statistical categoryfrequency - the number of observations in a given statistical category
cardinal number, cardinal - the number of elements in a mathematical set; denotes a quantity but not the order
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

frequency

noun recurrence, repetition, constancy, periodicity, commonness, frequentness, prevalence The cars broke down with increasing frequency.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
تَرَدُّدتَكْرارتَكَرُّرذَبْذَبَه
честота
častostčetnostfrekvencekmitočet
hyppighedfrekvensbølgelængde
frekvencooftecoofto
taajuustiheys
učestalost
frekvenciagyakoriságismétlődés
bylgjulengd, tíînitíîleikitíîni
頻発
빈도
frekvence
častosťfrekvenciakmitočet
frekvencapogostnostpogostost
frekvens
ความถี่
tần số

frequency

[ˈfriːkwənsɪ]
A. N (gen, Elec) → frecuencia f
this is happening with increasing frequencyesto está ocurriendo con cada vez mayor frecuencia
high/low frequencyalta/baja frecuencia
B. CPD frequency band Nbanda f de frecuencia
frequency distribution N (Statistics) → distribución f de frecuencia
frequency modulation Nfrecuencia f modulada
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

frequency

[ˈfriːkwənsi] n
[occurrence] → fréquence f
the high frequency of sth → la fréquence élevée de qch
with increasing frequency (= more and more often) → de plus en plus souvent
to increase in frequency → être de plus en plus fréquent(e)
(PHYSICS) [sound wave] → fréquence ffrequency modulation nmodulation f de fréquence
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

frequency

nHäufigkeit f; (Phys) → Frequenz f; high/low frequencyHoch-/Niederfrequenz f

frequency

:
frequency band
nFrequenzband nt
frequency distribution
nHäufigkeitsverteilung f
frequency modulation
nFrequenzmodulation f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

frequency

[ˈfriːkwənsɪ] nfrequenza
high/low frequency → alta/bassa frequenza
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

frequent

(ˈfriːkwənt) adjective
happening often. He made frequent journeys.
(friˈkwent) verb
to visit often. He used to frequent the George Hotel.
ˈfrequencyplural ˈfrequencies noun
1. the state of happening often. The frequency of her visits surprised him.
2. (in electricity, radio etc) the number of waves, vibrations etc per second. At what frequency does the sound occur?
3. a set wavelength on which radio stations regularly broadcast. I regularly listen to this frequency in order to hear my favourite music.
ˈfrequently adverb
often. He frequently arrived late.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

frequency

تَكَرُّر četnost hyppighed Häufigkeit συχνότητα frecuencia tiheys fréquence učestalost frequenza 頻発 빈도 frequentie hyppighet częstość frequencia, frequência частота frekvens ความถี่ sıklık tần số 频率
Multilingual Translator © HarperCollins Publishers 2009

fre·quen·cy

n. frecuencia.
English-Spanish Medical Dictionary © Farlex 2012

frequency

n (pl -cies) frecuencia
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
An important graph "relative frequency polygon" is missing.
The frequency polygon is a line graph that is sometimes used to display data.
The author has organized the main body of his text in nine chapters devoted to the representation and geometry of multivariate data, nonparametric estimation criteria, the theory and practice of histograms, frequency polygons, averaged shifted histograms, and a wide variety of other related subjects.

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