Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “bandwidth”

bandwidth

noun [C, usually singular]     /ˈbændwitθ/ COMMUNICATIONS
the amount of information that can be sent between computers, over a phone line, using radio signals, etc. in a particular amount of time: As prices for telecommunications services fall, demand for high bandwidth services is increasing.
the range of frequencies (= numbers of waves produced in a particular amount of time) used to send information over a distance using phone lines or radio signals: Text messages require less bandwidth than phone calls.
→ See also channel capacity
(Definition of bandwidth noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of bandwidth

Definitions of “bandwidth” in other dictionaries

Word of the Day

warm-up

something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More