frequency

B1 Topic:Time

US /ˈfɹiːkwənsi/ See IPA manual

Freq #6500

Meanings

1

noun
How often something happens within a period of time.

The buses run with greater frequency during rush hour.
2

noun
The rate at which a sound wave or radio wave vibrates, measured in cycles per second.

The radio station broadcasts on a frequency of 98.5 FM.

Thesaurus

Synonyms

1 noun · how often something happens... frequenceoftenness

More freq

Opposites

period

Word family

Forms frequencies

Derived forms bifrequencycyclofrequencydual-frequencyeigenfrequencyequifrequencyfrecencygyrofrequencyhigh-frequencyisofrequencymidfrequencymonofrequencymultifrequency

Related forms always annual annually biennialbienniallybiweekly cadence centenary centennial common commonness daily

Appears in

Phrases (1)

See all

frequency modulation
encoding a signal by varying the frequency of a carrier wave

Noun + noun

Etymology

From Latin frequentia, from frequens. By surface analysis, frequent + -cy.

frequentia Latin

View etymology graph ->

Topics

Time Physics

External links

# frequency

**Type:** Word
**Level:** B1
**Part of speech:** noun
**IPA (US):** /ˈfɹiːkwənsi/
**Frequency rank:** 6500

## Meanings
1. How often something happens within a period of time.
2. The rate at which a sound wave or radio wave vibrates, measured in cycles per second.

## Examples
- The buses run with greater frequency during rush hour.
- The radio station broadcasts on a frequency of 98.5 FM.

## Synonyms
- freq

## Antonyms
- period

## Derived Forms
- bifrequency
- cyclofrequency
- dual-frequency
- eigenfrequency
- equifrequency
- frecency
- gyrofrequency
- high-frequency
- isofrequency
- midfrequency
- monofrequency
- multifrequency

## Related Forms
- always
- annual
- annually
- biennial
- biennially
- biweekly
- cadence
- centenary
- centennial
- common
- commonness
- daily

## Roots and Affixes
- Root: frequentia

## Etymology
From Latin frequentia, from frequens. By surface analysis, frequent + -cy.

## AI Etymology
Frequency comes from Latin frequentia, from frequens. By surface analysis, frequent + -cy. In current use, the main senses are “How often something happens within a period of time” and “The rate at which a sound wave or radio wave vibrates, measured in cycles per second”.

## Topics
- Time
- Physics

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