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Multi-word Results
air bag
a bag in the front of some cars that blows up with air instantly in a crash to stop the passengers from being thrown forward.
air conditioner
a machine that cools the air in a room or car. An air conditioner also takes the dust and dampness out of the air.
air conditioning
a system that cools air and takes dust and dampness out of it. Air conditioning is used inside buildings and cars.
air force
the branch of a nation's armed forces that trains and fights using aircraft.
air pressure
the force of air on things. Air pressure has to do with how much force air has when it has been compressed into a space like a tire. It is also the pressure of the earth's atmosphere.
hot-air balloon
a bag made of thin material that is inflated with hot air, causing it to rise and float in the atmosphere. Large hot-air balloons can be attached to a basket or gondola, and used to transport people or equipment.
into thin air
out of sight.
off the air
not broadcast on radio or television.
on the air
broadcast on radio or television.
up in the air
not decided, not settled, or not certain.
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