isothermal : Idioms & Phrases
Isothermal line
- .
(a) An isotherm .(b) A line drawn on a diagram of energy such that its ordinates represent the pressures of a substance corresponding to various volumes, while the absolute temperature is maintained at a constant value.
Webster 1913
Isothermal zones
- spaces on opposite sides of the equator having the same mean temperature, and bounded by corresponding isothermal lines.