寒かん冷れい前ぜん線せん

noun

cold front

Meteorological term for the leading edge of a cooler mass of air, often bringing a drop in temperature and precipitation.

See also: 温暖前線

• 寒かん冷れい前ぜん線せんが通つう過かすると、気き温おんが急きゅうに下さがります。

  When a cold front passes, the temperature drops suddenly.

• 明日あしたは寒かん冷れい前ぜん線せんの影えい響きょうで雨あめが降ふるでしょう。

  Tomorrow it will probably rain due to the influence of a cold front.