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.]

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]

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]

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.

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.

frequency

Number of cycles or waves per second.
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

frequency

noun recurrence, repetition, constancy, periodicity, commonness, frequentness, prevalence The cars broke down with increasing frequency.
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

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

frequency

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

frequency

:
frequency band
nFrequenzband nt
frequency distribution
nHäufigkeitsverteilung f
frequency modulation
nFrequenzmodulation f

frequency

[ˈfriːkwənsɪ] nfrequenza
high/low frequency → alta/bassa frequenza

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.

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

fre·quen·cy

n. frecuencia.

frequency

n (pl -cies) frecuencia
References in periodicals archive ?
This observed frequency of prothrombin gene mutation is comparable to other population with some differences which can be attributable to differences in population genetics.
Statistical analysis by Chi-square test reflects that there is no significant difference between the observed frequency distribution and reference frequency distribution [13] in West Bengal Zone.
Our observation that trigger finger has similar incidence in the ring, thumb, and long fingers coupled with low observed frequency of the suspected comorbidities, hypothyroidism and diabetes, does not support the previously indicated reports that the ring finger is the most common site of trigger finger, and the disorder is associated with diabetes and hypothyroidism.
The frequency that each pair of states agreed and disagreed can be represented using three observed frequency tables (see Table 1 for an example of one of these three tables).
The observed frequency of worsened liver function in severe dengue hepatitis following paracetamol administration was low.
There was a significantly lower observed frequency of a neurocardiogenic syncope in black patients (45.
6: Pivot: set 1; ERP Basic Information System x Performance--Frequency The basic Group 1 Group 2 information Poor performance Medium system ERP (ROE <0, 0-2%) performance (ROE 2-4%, 4-7%) The observed frequency We do not use ERP 39 48 We use ERP 33 13 Total 72 61 Expected frequency We do not use ERP 47.
The joint distribution of the neighboring frequency subbands assists secondary users to determine the temporal occupancy of the observed frequency subbands.
Early studies of severe thunderstorm activity provide evidence of just how severe an effect population density differences can have on the observed frequency of the sub-perils.
Therefore, the null hypothesis of no relationships between the observed frequency and the expected frequency is rejected, showing a relationship between personal mastery and the use of ICTs in faculties and departments of physical education and sports sciences of Isfahan.
where O is the observed frequency in each category, E is the expected frequency in the corresponding category, and [chi square] is the chi-square value.