air-lock chamber

  • 1Air 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

  • 2air 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

  • 3air 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

  • 4air 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

  • 5air lock — 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… …

    Aviation dictionary

  • 6air lock — noun Date: 1851 1. an intermediate chamber with two airtight doors or openings to permit passage between two dissimilar spaces (as two places of unequal atmospheric pressure) 2. a stoppage of flow caused by air being in a part where liquid ought… …

    New Collegiate Dictionary

  • 7air lock — n. airtight chamber, small area between two airtight doors which allows one to pass through to an area with a different atmospheric pressure; pocket of air or vapor in a pipe that prevents the regular flow of fluids …

    English contemporary dictionary

  • 8Air — ([^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 same Latin… …

    The Collaborative International Dictionary of English

  • 9Air balloon — 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

  • 10Air bath — 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