isotherm

名词 isotherm:

1. (meteorology) an isogram connecting points having the same temperature at a given time

i.so.therm

n.（名词）
A line drawn on a weather map or chart linking all points of equal or constant temperature.
恒温线；等温线：气象地图或图表上所画的一条连结同温或恒温各点的线

来源：
From French isotherme [having the same temperature]
源自 法语 isotherme [具有相同的温度]
Greek iso- [iso-]
希腊语 iso- [前缀，表.同；等.]
Greek thermô [heat] * see -therm
希腊语 thermô [热] *参见 -therm