noun🔗Share등온선A line on a graph or chart, such as a weather map, along which all the points have the same temperature."The weather map showed an isotherm running through the city, indicating that the temperature was the same all along that line. "날씨 지도는 도시를 통과하는 등온선을 보여주며, 그 선을 따라 온도가 같다는 것을 나타냈다.weathergeographyscienceChat with AIVocabulary GamePractice Reading