(not in technical use) a nearly vertical air current that can cause an aircraft to experience a sudden change in altitude, usually a decrease. Also called air hole .
[ 1910-15 ]
(not in technical use) a nearly vertical air current that can cause an aircraft to experience a sudden change in altitude, usually a decrease. Also called air hole .
[ 1910-15 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012