Air Lock Definition

noun
An airtight compartment, with adjustable air pressure, between places that do not have the same air pressure, as between the working compartment of a caisson and the outside.
Webster's New World
A blockage, as in a water pipe, caused by trapped air.
Webster's New World
Synonyms:

Other Word Forms of Air Lock

Noun

Singular:
air lock
Plural:
air locks

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air lock