air existing, existing of air, wind - air moving (sometimes with significant force) from a location of high tension to a location of reduced pressure; "trees bent underneath the fierce winds"; "when there's no wind, row"; "the radioactivity was becoming swept upwards with the air present and out into https://thermalshocktestingforele24566.blog-mall.com/36383577/semiconductor-temperature-stress-testing-an-overview