Longman Dictionary of Contemporary English homepage

Date: 1200-1300
Language: Old French
Origin: devis, devise 'division, plan', from deviser 'to divide, tell'; DEVISE

device

noun
     
de‧vice W2 [countable]
1T a machine or tool that does a special job [= 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 a special way of doing something that makes it easier to do
device for doing something
Testing yourself with information on cards is a useful device for studying.
a memory device
3 a plan or trick, especially for a dishonest purpose
device to do something
Their proposal was only a device to confuse the opposition.
4SCBPMW a bomb or other explosive weapon
5ALAP the special use of words in literature, or of words, lights etc in a play, to achieve an effect:
Metaphor is a common literary device.

➔ leave somebody to their own devices

at leave1 (4)
WORD CHOICE: WORD CHOICE:

machine, device, gadget, appliance
A machine is a piece of equipment that uses power to do a particular job. It is usually large and stays in the same place a machine that sorts mail a washing machineYou use the words device and gadget especially when you think the equipment is very cleverly designed. A device is a piece of equipment that does a particular job, for example takes measurements or controls the operation of a machine. It may use electrical power or be used by hand a device for detecting blood alcohol levels from breath samples a temperature control deviceA gadget is a small piece of equipment that does something useful or impressive one of those gadgets that sorts coins kitchen gadgetsAn appliance is a piece of electrical equipment used in your home such as a washing machine or fridge. This word is used especially by the companies that produce and sell them the world's largest producer of household appliances domestic appliancesSee also machine

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