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TOEFL IELTS BNC: 1952 COCA: 2604

switch
1 switch /ˈswɪtʃ/ noun
plural switches
1 switch
/ˈswɪtʃ/
noun
plural switches
Learner's definition of SWITCH
[count]
1 
: a small device that starts or stops the flow of electricity to something (such as a lamp or a machine) when it is pressed or moved up and down（电路的）开关，闸
— see also dip switch, toggle switch
2 
: a sudden change from one thing to another（突然的）改变 — usually singular通常用单数
— see also bait and switch
3 
US : a device for moving the rails of a track so that a train may be turned from one track to another（铁路的）转辙器，道岔
4 
: a thin stick that can be easily bent（细软的）枝条，鞭子
2 switch /ˈswɪtʃ/ verb
switches; switched; switching
2 switch
/ˈswɪtʃ/
verb
switches; switched; switching
Learner's definition of SWITCH
1 
: to make a change from one thing to another : to start doing or using something that is different（使）改变，转变
[no object]
[+ object]
2 
: to make a change from one thing to another by turning or pushing a button or moving a switch, lever, etc.按键转换；拉闸转换
[no object]
[+ object]
3 
[+ object] : to change or replace (something) with another thing交换；对调

switch gears

— see 1gear

switch off

[phrasal verb]
1 
switch (something) off or switch off (something) : to turn off (something) by turning or pushing a button or moving a switch, lever, etc.关掉（灯、机器等）
2 
informal : to stop paying attention不再注意；失去兴趣

switch on

[phrasal verb]
switch (something) on or switch on (something)
: to turn on (something) by turning or pushing a button or moving a switch, lever, etc.打开（灯、机器等）
TOEFL IELTS BNC: 1952 COCA: 2604

switch

1 of 2

noun

ˈswich How to pronounce switch (audio)
plural switches
1
: a slender flexible whip, rod, or twig
a riding switch
2
: an act of switching: such as
a
: a blow with a switch
b
: a shift from one to another
c
: a change from the usual
that outfit is a switch
3
: a tuft of long hairs at the end of the tail of an animal (such as a cow) see cow illustration
4
: a device made usually of two movable rails and necessary connections and designed to turn a locomotive or train from one track to another
5
a
: a device for making, breaking, or changing the connections in an electrical circuit
b
: a software icon that is used to select between one of usually two available states
Tap Edit and then toggle the switch next to each supported service to the appropriate setting. Jason Cipriani
Other features … include: … A software switch that lets you change the side button's function to be either volume mute or orientation lock. Matt Rosoff
6
: a heavy strand of hair used in addition to a person's own hair for some coiffures

switch

2 of 2

verb

switched; switching; switches

transitive verb

1
: to strike or beat with or as if with a switch
2
: whisk, lash
a cat switching its tail
3
a(1)
: to turn from one railroad track to another : shunt
(2)
: to move (cars) to different positions on the same track within terminal areas
b
: to make a shift in or exchange of
switch seats
4
a
: to shift to another electrical circuit by means of a switch
b(1)
: to operate an electrical switch so as to turn (a device) on or off
—usually used with on or off
(2)
: to change to or from an active state
—usually used with on or off
switched on the gene

intransitive verb

1
: to lash from side to side
2
: to make a shift or exchange
switchable
ˈswi-chə-bəl How to pronounce switch (audio)
adjective
switcher noun

Synonyms

Noun

Verb

Example Sentences

Noun She flicked a switch and turned the lamp on. He threw the switch to stop the machine. Verb I switched to a new doctor. He kept switching back and forth between topics. She switched back to her original insurance company. We switched over to a different telephone service. Why did you switch jobs? See More
Recent Examples on the Web
Noun
The torment doesn’t end for her when the credits start, because there is no switch off. Christi Carras, Los Angeles Times, 7 Sep. 2022 So, this full fash-un moment is quite the switch from poolside hottie to party-hopping honey. Seventeen, 19 Aug. 2022 The other reason that might have happened is the switch toward a pool of people who are currently essential. Stevan Popov, Forbes, 11 Aug. 2022 Salav Professional Series Dual-Bar Garment Steamer When evaluating the Salav Professional Series Dual-Bar Garment Steamer, our tester appreciated that there was an on/off switch that could be operated with their foot, as well as a retractable cord. Barbara Bellesi Zito, Better Homes & Gardens, 8 Aug. 2022 Oil and gas production is not a light-switch that can be turned on and off as needed with no cost. The Editors, National Review, 23 June 2022 But there was a huge switch in the general public’s interest in viruses and immunity once the pandemic hit. Quanta Magazine, 21 June 2022 The endorsement, announced Thursday, by SEIU Florida, is a big switch from the big union. Anthony Man, Sun Sentinel, 16 June 2022 With a set of dedicated bookshelf speakers, the only obstacle to listening to your new records is an on switch, no Bluetooth pairing required. Tim Barribeau, WSJ, 17 May 2022
Verb
Uber is trying to slash its carbon footprint by incentivizing its drivers to switch to EVs. CBS News, 15 Sep. 2022 The city's water problems prompted school officials to temporarily switch from in-person classes to remote learning. Antonio Planas, NBC News, 15 Sep. 2022 Breed is up for reelection in November 2023, or a year later if voters decide to switch to even-year elections. Mallory Moench, San Francisco Chronicle, 13 Sep. 2022 Congestion pricing is expected to encourage more drivers to switch to mass transit. Ana Ley, BostonGlobe.com, 12 Sep. 2022 Etherum is expected to switch this month to a different mining mechanism that uses 99% less energy, though no such plans are in place for Bitcoin. Jacob Carpenter, Fortune, 9 Sep. 2022 As the afternoon wore on without any reassurance from Buckingham Palace, however, the network decided to switch to a rolling news broadcast at 5pm. K.j. Yossman, Variety, 9 Sep. 2022 This three-piece nozzle set has settings that are clearly labeled and are easy to switch from one to another; each one screwed onto the hoses quite easily as well. Rennie Dyball, Peoplemag, 9 Sep. 2022 Additionally, over 20 states as well as Washington D.C. and Puerto Rico have set goals to switch to entirely clean energy. Margaret Osborne, Smithsonian Magazine, 6 Sep. 2022 See More

Word History

Etymology

Noun

perhaps from Middle Dutch swijch twig

First Known Use

Noun

1597, in the meaning defined at sense 1

Verb

circa 1611, in the meaning defined at transitive sense 1

Time Traveler
The first known use of switch was in 1597

Phrases Containing switch

See More
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TOEFL IELTS BNC: 1952 COCA: 2604
switch

noun¹

 1small button/lever小按鈕；小控制桿ADJECTIVE | VERB + SWITCH | SWITCH + VERB | PREPOSITION | PHRASES ADJECTIVE➤master, power總開關；電源開關◇The master switch is under the stairs.總開關在樓梯下。➤electric, electrical電開關；電氣開關▸➤off, on, on-off停機／開機／轉換開關◇I couldn't find the off switch on the remote control.我找不到遙控器上的關機按鈕。➤dimmer, timer, toggle (especially NAmE) 調光／定時／切換開關◇We fitted dimmer switches in all the bedrooms.我們在所有的卧室裏都安裝了調光器。➤ignition, light, wall (NAmE) 點火／電燈／牆上開關VERB + SWITCH➤flick, flip, hit, press, pull, throw, turn off, turn on輕按開關；按動開關；拉電閘；扳電閘；關上開關；打開開關◇Someone threw a switch and the electricity went off.有人扳了電閘，電就斷了。SWITCH + VERB➤activate sth, control sth, operate sth開關啟動⋯／控制⋯／操作⋯◇This switch controls the heating system.這個開關控制供熱系統。PREPOSITION➤by a switch用開關◇The light operates by a timer switch.這個燈由定時開關控制。➤on a switch連在開關上◇The heater is on a timer switch.加熱器連在一個定時開關上。➤switch for⋯的開關◇the switch for the air conditioning空調的開關PHRASES➤at the flick of a switch輕輕按一下開關◇in the days before electricity was available at the flick of a switch在還不能一按開關就有電用的日子
switch

noun²

 2change that sb makes改變ADJECTIVE | VERB + SWITCH | PREPOSITION ADJECTIVE➤abrupt, sudden突然的轉變▸➤big大轉變▸➤complete完全的轉變▸➤tactical (especially BrE) 戰術的改變◇The team's manager made a shrewd tactical switch.該隊主教練對戰術作出了高明的調整。VERB + SWITCH➤make作出改變PREPOSITION➤switch away from, switch from改變⋯◇There will be no overnight switch away from old voting habits.不會一夜之間就改變舊的選舉習慣。◇her switch from full-time to part-time work她從全職到兼職的轉變➤switch back to, switch over to, switch to變回；變向◇He's a classical singer who has made the switch over to pop.他是古典歌手，已改唱流行歌曲。➤switch between在⋯之間轉換◇the recent switches between direct and indirect taxation近期在直接稅和間接稅之間的反複➤switch in⋯的轉變◇their abrupt switch in allegiance他們在擁戴對象方面的突然轉變
switch

verb

ADVERB | VERB + SWITCH | PREPOSITION ADVERB➤easily, readily, simply容易地／輕易地／輕鬆地轉換▸➤suddenly突然轉變◇My mind suddenly switched back to my conversation with Jeremy.我的思緒突然回到了與傑里米的談話上。➤quickly快速轉換➤automatically自動轉換▸➤around, back, back and forth, over, round (especially BrE) 改變位置；換回來；來回轉換VERB + SWITCH➤decide to決定轉變◇He decided to switch tactics.他決定改變策略。PREPOSITION➤between在⋯之間轉換◇The remote control allows you to switch easily between TV channels.遙控器可以使你在不同電視頻道之間輕鬆轉換。➤away from, from轉離◇He switched his allegiance from the British to the French.他不再效忠英國，轉而效忠法國。➤to換成➤with與⋯交換◇We asked them if they would switch places with us.我們問她們是否願意和我們對換座位。

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