Airlock

ahd-5
  • noun. An airtight chamber, usually located between two regions of unequal pressure, in which air pressure can be regulated.
  • noun. A bubble or pocket of air or vapor, as in a pipe, that stops the normal flow of fluid through the conducting part.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a chamber that provides access to space where air is under pressure
    • Word Usage
    "Step Twelve: Gently peel soap mold from sides of soap until airlock is broken."
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