Definition of “frequency” - English Dictionary

“frequency” in British English

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frequencynoun

uk /ˈfriː.kwən.si/ us /ˈfriː.kwən.si/

frequency noun (HAPPENING)

[ C or U ] the number of times something happens within a particular period, or the fact of something happening often or a large number or times:

Complaints about the frequency of buses rose in the last year.
the increasing frequency of terrorist attacks
It's not the duration of his absences from work so much as the frequency that worries me.

frequency noun (LIGHT/SOUND/RADIO)

[ U ] specialized physics the number of times that a wave, especially a light, sound, or radio wave, is produced within a particular period, especially one second:

the frequency of light
low frequency radiation
The human ear cannot hear very high-frequency sounds.

[ C ] specialized media a particular number of radio waves produced in a second at which a radio signal is broadcast:

Do you know what frequency the BBC World Service is on?

Thesaurus: synonyms and related words

(Definition of “frequency” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“frequency” in American English

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frequencynoun

us /ˈfri·kwən·si/

physics [ C ] the number of times that a wave is produced within a particular period, esp. within one second:

Dogs can hear very high frequencies.

frequency noun (COMMON)

[ U ] the number of times something is repeated, or the fact of something happening often:

Houses are sold here with greater frequency than in most other parts of the country.

(Definition of “frequency” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“frequency” in Business English

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frequencynoun [ C or U ]

uk /ˈfriːkwənsi/ us

the number of times something happens within a particular period, or the fact of something happening often or a large number of times:

Once a week is a good frequency to back up all the data.
the frequency of sth Cost-conscious retailers are reducing the frequency of cash collections.
We can surely do better in reducing the frequency and intensity of emerging market financial crises.
with greater/increasing frequency Skirmishes between privacy advocates and those collecting information are occurring with increasing frequency.
Some trusts limit the frequency with which a loan can be modified.

COMMUNICATIONS the number of times that a wave, especially a sound or radio wave, is produced within a particular period, especially one second:

The transmitter sends out a pulse of sound at a frequency of 6 kilohertz.

(Definition of “frequency” from the Cambridge Business English Dictionary © Cambridge University Press)