air present-day, current of air, wind - air moving (in some cases with considerable power) from a place of substantial force to a region of small pressure; "trees bent beneath the fierce winds"; "when there isn't any wind, row"; "the radioactivity was becoming swept upwards from the air current https://differencebetweenthermals12456.webbuzzfeed.com/36195846/the-best-side-of-semiconductor-equipment-thermal-cycling