switch definition, meaning - what is switch in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “switch”

See all translations

switch

noun uk   us   /swɪtʃ/

switch noun (DEVICE)

B1 [C] a small device, usually pushed up or down with your finger, that controls and turns on or off an electric current: a light switch Can you flip the switch?switches [plural] US (mainly UK points) a place on a railway track where the rails (= metal bars on which the trains travel) can be moved to allow a train to change from one track to another: The train rattled as it went over the switches.
More examples

switch noun (CHANGE)

[C] a sudden or complete change, especially of one person or thing for another

switch

verb [T, I usually + adv/prep] uk   us   /swɪtʃ/

switch verb [T, I usually + adv/prep] (DEVICE)

B1 to use a switch to change a device from one state or type of operation to another: switch the TV off/on
More examples

switch verb [T, I usually + adv/prep] (CHANGE)

B2 to change suddenly or completely, especially from one thing to another, or to exchange by replacing one person or thing with another: She started studying English at college, but switched to Business Studies in her second year. In 1971, Britain switched over (= changed completely) to a decimal currency. After the bank robbery, the gang switched cars (= left one car and got into another).
More examples
(Definition of switch from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of switch?
Add Cambridge dictionaries to your browser to your website

Definitions of “switch” in other dictionaries

Word of the Day

prime time

in television and radio broadcasting, the time when the largest number of people are watching or listening

Word of the Day

The language of elections

by Liz Walter,
April 22, 2015
On May 7th, citizens of the UK will be going to the polls (having an election) to decide who will form the next government. This kind of election is known as a general election. The country is divided into 650 areas, called constituencies. Each constituency elects a member of parliament (MP) to

Read More 

e-juice noun

April 27, 2015
the liquid content in an e-cigarette, which includes nicotine and may be flavoured in various ways Contestants…suck on a modified vaper until they’ve filled their chest cavity with enough vaporised nicotine “e-juice” to shoot out a belch of white smoke upwards of 4ft long.

Read More