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a piece of equipment like a fireplace that makes a room warm by burning gas
a piece of electrical equipment that heats water for use in the home. An immersion heater is often simply called an immersion.
British thick material used for covering water pipes or a boiler (=container for hot water)
Indian Englishold-fashioned a piece of equipment used for making the air cold in a room. It consists of a large flat piece of cloth that hangs from the ceiling, and moves backwards and forwards when you pull a rope.
British a heater that uses electricity at night, when it is cheaper
a rainbow produced when water droplets in the air reflect light from the moon rather than the sunBuzzWord Article