noun
antitrade winds
Meteorological term for winds blowing in the opposite direction to the trade winds, typically at high altitudes.
反対貿易風は、貿易風の上層を逆方向に吹く風です。
Antitrade winds are winds that blow in the opposite direction above the trade winds.
貿易風 refers to the trade winds themselves, while 反対貿易風 are the winds blowing in the opposite direction, often at higher altitudes.
Compound of 反対 (opposite) + 貿易風 (trade winds). The term is a direct calque from English 'antitrade winds'.