air level
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English[edit]
Noun[edit]
air level (plural air levels)
- (dated) A spirit level.
- Used other than figuratively or idiomatically: air level.
- When diving, take care to monitor not just your air level, but that of your partner.
References[edit]
- “air level”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.