air present, present of air, wind - air moving (occasionally with substantial force) from an area of high pressure to a region of small tension; "trees bent beneath the fierce winds"; "when there's no wind, row"; "the radioactivity was getting swept upwards from the air current and out into https://thermal-shock-testing-app08666.pointblog.net/the-greatest-guide-to-long-term-thermal-fatigue-testing-81005339