形容詞 isothermal:

1. of a process or change taking place at constant temperature

i.so.ther.mal

adj.（形容詞）
Of, relating to, or indicating equal or constant temperatures.
恒溫的：屬于，關(guān)于，或顯示相等或恒常溫度的
Of or designating changes of pressure and volume at constant temperature.
等溫狀態(tài)下壓力和體積變化的：屬于或命名在恒溫下壓力和體積的變化的
Of or relating to an isotherm.
等溫線的：屬于或關(guān)于一條等溫線或恒溫線的
n.（名詞）
An isotherm.
一條等溫線；一條恒溫線