storage heater 
noun British
An electric heater that accumulates heat in water or bricks during the night (when electricity is cheaper) and releases it during the day.Concrete absorbs heat and re-radiates it slowly much like an electric storage heater....
- Electric storage heaters replaced the stove and open fire.
- Heating was provided by electric storage heaters with an electric cooker also included.
- be in something for the long haul
- be in stays
- be in the doghouse
- be in the know
- be in the majority
- be in the market for
- be in the money
- be in the process of doing something
- be in the right
- be in the same boat
- be in the wars
- be in with a chance
- beira
- beira antelope
- Beirut
- beisa
- beisa oryx
- Beit Din
- Beja
- bejabbers
- bejabers
- bejeezus
- bejesus
- bejewel
- bejeweled