title: Isotherm
text: # 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
  