Isotherm
# Isotherm

Isotherm may refer to:

* Isotherm (contour line) – a type of equal temperature at a given date or time on a geographic map
* Isotherm – in thermodynamics, a curve on a P-V diagram for an isothermal process
* Moisture sorption isotherm – a curve giving the functional relationship between humidity and equilibrium water content of a material for a constant temperature
* Sorption isotherm – a curve giving the functional relationship between adsorbate and adsorbent in a constant-temperature adsorption process
