逆ぎゃく転てん層そうぎゃくてんそうMeanings1nouninversion layerMeteorological term for a layer of the atmosphere where temperature increases with altitude, trapping pollutants and affecting weather.逆ぎゃく転てん層そうができると、大たい気き汚お染せんが悪あっ化かしやすい。When an inversion layer forms, air pollution tends to worsen.