de·vice /dɪˈvaɪs/ ●●○ S3 W2 AWL noun [countableC] 1 PIECE OF EQUIPMENTTMACHINEa machine or tool that does a special job 设备，仪器，装置 SYN gadget modern labour-saving devices
device for doing something a device for separating metal from garbage
device to do something The company makes devices to detect carbon monoxide.
2 SPECIAL METHODWAY/METHODa special way of doing something that makes it easier to do 〔使做某事更容易的〕特殊方法，手段 device for doing something Testing yourself with information on cards is a useful device for studying.
3 PLAN/TRICKTRICK/DECEIVEa plan or trick, especially for a dishonest purpose 计谋，〔尤指〕花招，诡计 device to do something Their proposal was only a device to confuse the opposition.
4 BOMBSCBPMWa bomb or other explosive weapon 炸弹，爆炸装置
explosive/nuclear/incendiary etc device 炸弹/核弹/燃烧弹等
5 LITERATURE/THEATREALAPthe special use of words in literature, or of words, lights etc in a play, to achieve an effect 〔文学作品中的〕手法，修辞手段；〔戏剧中灯光使用的〕技巧 → leave somebody to their own devices at leave1(4) Metaphor is a common literary device.
n COLLOCATIONS ADJECTIVES/NOUN + device an electronic device
The shops are always full of new electronic devices.
a mechanical device (=using power from an engine or machine)
One day it will be technically possible to replace patients’ hearts with mechanical devices.
a simple device
He invented a simple device for chopping onions.
a clever device (=made using a clever idea)
This clever little device rings to tell you where you left your keys.
a labour-saving device British EnglishBrE, a labor-saving device American EnglishAmE (=that reduces the amount of work you have to do)
Modern houses have so many labour-saving devices.
a security device (=designed to protect against crime)
Cars today have better alarms and security devices.
a safety device (=designed to keep people safe)
The accident happened because a simple safety device wasn’t properly fitted.
a handheld device (=that you hold in your hand)
This is a handheld device for playing electronic games.
a storage device (=a computer device for storing information electronically)
You may need an additional storage device if you have a lot of data.
a medical device
The company makes medical devices that use laser technology for correcting eye disorders.