Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

bandwidth

play
noun band·width \ˈband-ˌwidth\

Simple Definition of bandwidth

  • : a measurement of the ability of an electronic communications device or system (such as a computer network) to send and receive information

Source: Merriam-Webster's Learner's Dictionary

Full Definition of bandwidth

  1. 1 :  a range within a band of wavelengths, frequencies, or energies; especially :  a range of radio frequencies which is occupied by a modulated carrier wave, which is assigned to a service, or over which a device can operate

  2. 2 :  the capacity for data transfer of an electronic communications system <graphics consume more bandwidth than text does>; especially :  the maximum data transfer rate of such a system <a bandwidth of 56 kilobits per second>

Examples of bandwidth in a sentence

  1. The modem has a bandwidth of 56 kilobits per second.

  2. Graphics use more bandwidth than text does.



1930

First Known Use of bandwidth

1930



Seen and Heard

What made you want to look up bandwidth? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not forbidden by law

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

hiemal brumal vernal estival
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ