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| air lock |
an airtight compartment in which the air pressure can be regulated, usu. situated between two areas that have different air pressures, as in underwater operations. [1/2 definitions] |
| balloon tire |
a wide tire with deep walls that is inflated with relatively low air pressure to cushion shocks or facilitate travel on sand. |
| decompress |
gradually to return (a person such as a diver who has been under compression) to normal air pressure. [1/3 definitions] |
| pneumatic |
run by means of air pressure. [1/5 definitions] |
| pressurize |
to sustain normal air pressure in (an airplane or submarine). [1/2 definitions] |
| rapture of the deep |
the early stage of nitrogen narcosis, a condition experienced by deep-sea divers under increased air pressure that resembles the sensation of intoxication. |
| siphon |
a tube or pipe used to suck a liquid over the top of its container and into a lower one by means of air pressure. [1/3 definitions] |
| slipstream |
the area of reduced air pressure behind a vehicle moving at high speed. [1/3 definitions] |
| syllable |
a segment of speech formed with a single uninterrupted pulse of air pressure, usu. consisting of a single vowel or diphthong with or without surrounding consonants. [1/3 definitions] |
| turbocharge |
to improve the power or maintain air pressure in (an engine) by using a turbocharger. |
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