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What is the X in X-mas?
the force exerted by air, whether compressed or unconfined, on any surface in contact with it.
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for
Many of their students lack a fundamental understanding of how
The turbine turns because the
on one side of the blade is higher than the other side.
Warm, moist air over tropical or subtropical seas rises, causing a zone of lower
It can be redesigned for high performance by simply increasing the
and the outlet valve size.
There was also concern about differences in
zones causing it to flip or veer suddenly.
Stars twinkle due to random variations in
Blowing into the bottle raises the
Any slight change in wind speed or
can result in a failure to launch.
Elicit from students that the instrument measures
Because of the low
, the body overcompensates and speeds up its blood circulation.
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(...) The ball will not skim back over the net, building air pressure as it goes until it buzzes...
Nearby words for air pressure
air national guard
air one's belly
air one's dirty linen
air one's grievances
air quality index