- i. A stoppage or diminution of flow in a fuel system, hydraulic system, or the like caused by a pocket of air or vapor. Often called vapor lock.ii. A chamber capable of being hermetically sealed that provides for passage between two places of different pressure, as between an altitude chamber and the outside atmosphere.
Aviation dictionary. 2014.
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Air lock — Air Air ([^a]r), n. [OE. air, eir, F. air, L. a[ e]r, fr. Gr. ah r, air, mist, for a[digamma]hr, fr. root a[digamma] to blow, breathe, probably akin to E. wind. In sense 10 the French has taking a meaning fr. It. aria atmosphere, air, fr. the… … The Collaborative International Dictionary of English
air-lock — /air lok /, v.t. to place in or confine to an air lock: to air lock divers before they descend. [1855 60] * * * … Universalium
air lock — air′ lock n. 1) civ an airtight chamber permitting passage to or from a space, as in a caisson, in which the air is kept under pressure 2) mac an impedance in the functioning of a pump or a system of piping caused by the presence of an air… … From formal English to slang
air lock — n. 1. 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 2. a blockage, as in a water pipe, caused by trapped air … English World dictionary
air lock — n 1.) a small room used for moving between two places that do not have the same air pressure, for example in a spacecraft 2.) a small amount of air in a pipe that stops liquid flowing through it … Dictionary of contemporary English
air lock — 1. Civ. Eng. an airtight chamber permitting passage to or from a space, as in a caisson, in which the air is kept under pressure. 2. the impedance in the functioning of a pump or a system of piping caused by the presence of an air bubble; vapor… … Universalium
air lock — noun a chamber that provides access to space where air is under pressure • Syn: ↑airlock • Hypernyms: ↑chamber * * * noun 1. : an air space with two airtight doors or openings for permitting entrance to or exit from a sealed off space under… … Useful english dictionary
Air lock — An air lock is gas trapped in a high point of a liquid filled pipe system. The gas, being lighter than the liquid, rises to the highest point and restricts the flow of liquid. In very tall systems, the gas can prevent flow entirely.Flushing the… … Wikipedia
air-lock — ˈ ̷ ̷ˌ ̷ ̷ transitive verb Etymology: air lock : to stop (a flow) by an air lock … Useful english dictionary
air lock — Synonyms and related words: aboideau, access, adit, approach, corridor, dock gate, entrance, entranceway, entry, entryway, flood hatch, floodgate, gangplank, gangway, gate, hall, head gate, in, ingress, inlet, intake, lock, lock gate, means of… … Moby Thesaurus