air lock

1. 1.

   a chamber that provides access to space where air is under pressure

   Synonymsairlock

   Broaderchamber

Questions about air lock

What does air lock mean?

air lock means "a chamber that provides access to space where air is under pressure".

What is another word for air lock?

Close synonyms include airlock. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is air lock a common word?

air lock is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.