Definition of "air-pressure" [air-pressure]

• The barometric pressure or elastic pressure of the atmosphere. (noun)

The Century Dictionary (Public Domain)

• "Q: I have a 2006 Mercedes S400 4Matic with tire air-pressure monitoring."
• "Variables such as wind shear, clashing air-pressure systems and warm-water pockets could push the storm farther east or west, potentially spelling the difference between light wind and rain or major destruction along a coastline."
• "I only slept an hour, partly because a nearby infant wailed several times during the night, even though the Dreamliner is supposed to lessen air-pressure pain in babies."