air current, present-day of air, wind - air going (from time to time with appreciable pressure) from a place of higher pressure to a region of lower strain; "trees bent under the fierce winds"; "when there isn't any wind, row"; "the radioactivity was becoming swept upwards by the air https://thermal-cycling-reliabili70134.blogstival.com/57385249/what-does-best-practices-for-thermal-shock-testing-mean