updraught
/ˈʌpdrɑːft/ (bre, ipa) · /ˈʌpdræft/ (ame, ipa)
updraught — noun
1. a flow of air that moves from the ground upward through the sky, often carrying
a flow of air that moves from the ground upward through the sky, often carrying heat and water vapour that form clouds
The strong updraught carried the eagle high above the mountain valley.
strong updraught collocation: force of the air current
Piotr felt the warm updraught on his face as the sun heated the dry field.
warm updraught: sun-heated air rises from ground
The pilot guided the glider into an updraught to gain height without using the engine.
Clouds began to form where a strong updraught pushed warm air into the cold sky.
Reema watched dry leaves spin upward, caught by a sudden updraught from the canyon.
- updraft
American English spelling; identical meaning
- thermal
specifically a warm updraught caused by the sun heating the ground, common in gliding
- rising current
more general term, less technical than updraught
- downdraught
a flow of air moving downward instead of upward
- downdraft
American spelling of the opposite phenomenon
文法句型
updraught + verb (carries / lifts / forms)
用法筆記
More common in British English spelling; the American spelling is updraft. Frequently used in aviation and weather reports to describe conditions that help birds, gliders, and paragliders stay aloft.