electric heater
US /ɪˈlɛktrɪk ˈhiːtər/
UK /ɪˈlɛktrɪk ˈhiːtər/
1.
a device that converts electric current into heat, used for heating rooms or water
:
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We bought an electric heater for the chilly evenings.
•
The old electric heater was not very efficient.