clever, ingenious | labour-saving, useful | complex, sophisticated | simple | hi-tech | hand-held | automatic, electrical, electronic, mechanical | bugging, contraceptive, measuring, safety, timing, warning
Police found several bugging devices in the room.
| explosive, incendiary
An incendiary device exploded in the store, setting fire to furniture.
VERB + DEVICE
be fitted with, have
All new cars are now fitted with these safety devices.
| design, develop, make | use
He measured the room using an ingenious new electronic device.
DEVICE + VERB
consist of sth
The device consists of a large wheel mounted on a metal post.
| be designed to
a tiny device designed to trace telephone calls
The device worked exactly as I'd hoped.
a useful device for checking electrical circuits
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