frequency

n., pl., -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:
   1. The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.
   2. The number of complete cycles of a periodic process occurring per unit time.
   3. The number of repetitions per unit time of a complete waveform, as of an electric current.
3. Statistics.
   1. The number of measurements in an interval of a frequency distribution.
   2. The ratio of the number of times an event occurs in a series of trials of a chance experiment to the number of trials of the experiment performed.

[Latin frequentia, multitude, from frequēns, frequent-, crowded, numerous, frequent.]

1. Number of times an advertising message is presented within a given time period.

2. Average number of times a commercial or advertisement has been viewed per person (or per household) during a specific time period. The idea of frequency is the same throughout all of the possible advertising media choices. Frequency, along with reach is an important concept in the planning of an advertising media schedule. Frequency is calculated by dividing the total possible audience by the audience that has been exposed at least once (reach or cumulative audience) to the particular time segment (in broadcast) or publication in which the advertising message appears.

3. Wavelength allocations made by the Federal Communications Commission for broadcasting, including radio stations, television channels, amateur radio (ham) operators, citizens' band radios, police radios, and the like. See also megahertz.

4. In general, number of times something occurs within a specified period of time. Frequency may refer to the issues of a periodical, the purchases made by a customer over time, or the number of times a commercial or an advertisement is aired or printed or reaches its audience.

1. In general, number of times something occurs within a specified period of time. Frequency may refer to the issues of a periodical, the purchases made by a customer over time, or the number of times a commercial or an advertisement is aired or printed or reaches its audience.

2. Number of times an advertising message is presented within a given time period.

3. Average number of times a commercial or advertisement has been viewed per person (or per household) during a specific time period. The idea of frequency is the same throughout all of the possible advertising media choices.

4. Wavelength allocations made by the Federal Communications Commission for broadcasting, including radio stations, television channels, amateur radio (ham) operators, citizens' band radios, police radios, and the like.

n

Definition: commonness, repetitiveness
Antonyms: infrequency, irregularity, uncommonness

---

1. the number of occurrences of a periodic process in a unit of time.
2. in statistics, the number of occurrences of a determinable entity per unit of time or of population.

• cumulative f. — the graph of its cumulative frequencies.
• f. distribution — see frequency distribution.
• expected f. — the expected number of occurrences.
• observed f. — the actual frequency; as opposed to the expected frequency.
• relative f. — the number of observations of a particular, nominated value expressed usually as a proportion of the total frequency.
• total f. — the total number of observations in the set of data.
• ultrasound f. — see ultrasound.

IN BRIEF: The number of times something is repeated in a certain period.

The frequency of the nervous behavior increased when a test date approached.

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Dansk (Danish)
n. - hyppighed, svingningstal

idioms:

• frequency band    frekvensbånd
• frequency distribution    frekvensfordeling
• frequency modulation    frekvensmodulation
• frequency response    frekvenskurve
• high frequency    højfrekvens

Nederlands (Dutch)
frequentie, veelvuldigheid

Français (French)
n. - fréquence, multiplicité

idioms:

• frequency band    bande de fréquence
• frequency distribution    distribution de fréquences
• frequency modulation    modulation de fréquence
• frequency response    réponse de fréquence
• high frequency    haute fréquence

Deutsch (German)
n. - Frequenz, Häufigkeit

idioms:

• frequency band    Frequenzband
• frequency distribution    Frequenzverteilung
• frequency modulation    Frequenzmodulation
• frequency response    Frequenzantwort
• high frequency    Hochfrequenz

Ελληνική (Greek)
n. - συχνότητα (επανάληψης), πυκνότητα, (φυσ.) συχνότητα (φάσης κ.λπ.)

idioms:

• frequency band    (τεχνολ.) ζώνη συχνοτήτων
• frequency distribution    (οικον.) κατανομή συχνότητας
• frequency modulation    (ηλεκτρ.) διαμόρφωση συχνότητας
• frequency response    ανταπόκριση συχνότητας
• high frequency    υψηλή συχνότητα

Italiano (Italian)
frequenza

idioms:

• frequency band    banda di frequenza
• frequency distribution    distribuzione di frequenza
• frequency modulation    modulazione di frequenza
• frequency response    risposta di frequenza

Português (Portuguese)
n. - freqüência (f)

idioms:

• frequency band    banda (f) de freqüência
• frequency distribution    distribuição (f) de freqüência (Estat.)
• frequency modulation    freqüência (f) modulada
• frequency response    resposta (f) de freqüência
• high frequency    alta (f) freqüência

Русский (Russian)
частота, частое повторение

idioms:

• frequency band    диапазон
• frequency distribution    частотное распределение
• frequency modulation    частотная модуляция
• frequency response    частотная характеристика, амплитудно-частотная характеристика (АЧХ)
• high frequency    высокая частота

Español (Spanish)
n. - frecuencia

idioms:

• frequency band    banda de frecuencia
• frequency distribution    distribución de frecuencias
• frequency modulation    modulación de frecuencia, frecuencia modulada
• frequency response    respuesta de frecuencia, gráfico de frecuencias
• high frequency    alta frecuencia

Svenska (Swedish)
n. - frekvens, hastighet

中文（简体）(Chinese (Simplified))
频率, 发生次数, 周率

idioms:

• frequency band    频带
• frequency distribution    频数分布, 频率分布, 频数分布表
• frequency modulation    调频, 调频广播
• frequency response    频率响应, 频率特性
• high frequency    高频率

中文（繁體）(Chinese (Traditional))
n. - 頻率, 發生次數, 周率

idioms:

• frequency band    頻帶
• frequency distribution    頻數分布, 頻率分布, 頻數分布表
• frequency modulation    調頻, 調頻廣播
• frequency response    頻率響應, 頻率特性
• high frequency    高頻率

한국어 (Korean)
n. - 빈번히 발생함

日本語 (Japanese)
n. - しばしば起こること, 頻繁, 頻度, 回数, 振動数, 周波数

idioms:

• frequency band    周波数帯
• frequency distribution    度数分布
• frequency modulation    周波数変調
• frequency response    周波数応答, 周波数レスポンス

العربيه (Arabic)
‏(الاسم) تكرار , تردد‏

עברית (Hebrew)
n. - ‮תדר, תדירות, תכיפות‬

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