air lock
noun
1
: an intermediate chamber with two airtight doors or openings to permit passage between two dissimilar spaces (such as two places of unequal atmospheric pressure)
2
: a stoppage of flow caused by air being in a part where liquid ought to circulate
Examples of air lock in a Sentence
Recent Examples on the Web
That lunar orbital space station is envisioned as a collection of modules, including habitats, an air lock, and a power and propulsion unit.
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IEEE Spectrum, 8 July 2019
The space station has special air locks where astronauts can undergo a rapid pre-breathing process before beginning their spacewalks.
—Jackie Wattles, CNN, 11 Sep. 2024
Almost six hours after their experiment had begun, McCandless and Stewart clambered back inside the spacecraft, sealed the door of the air lock behind them and removed their helmets.
—Adam Higginbotham, Smithsonian Magazine, 8 May 2024
Photos: Glen Benson/NASA Each side of the umbilical contains a set of doors that acts sort of like an air lock, to keep out the dust.
—IEEE Spectrum, 30 Oct. 2018
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IEEE Spectrum, 8 July 2019
The space station has special air locks where astronauts can undergo a rapid pre-breathing process before beginning their spacewalks.
—Jackie Wattles, CNN, 11 Sep. 2024
Almost six hours after their experiment had begun, McCandless and Stewart clambered back inside the spacecraft, sealed the door of the air lock behind them and removed their helmets.
—Adam Higginbotham, Smithsonian Magazine, 8 May 2024
Photos: Glen Benson/NASA Each side of the umbilical contains a set of doors that acts sort of like an air lock, to keep out the dust.
—IEEE Spectrum, 30 Oct. 2018
See All Example Sentences for air lock
Cite this Entry
“Air lock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20lock. Accessed 4 Jul. 2025.
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