1. Having an equal degree of heat. Isothermal lines, lines passing through places of equal mean temperatures.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• isopterran,
• usothermal,
• jsothermal,
• ksothermal,
• osothermal,
• 9sothermal,
• 8sothermal,
• iaothermal,
• izothermal,
• ixothermal,
• idothermal,
• isotheral,
• isothurmal,
• isothermel,
• iso thermal,
• isochimal,
• isochromal,
• isocrymal,
• isogeothermal,
• isothermobat

• isotherm,
• isothermic.

The adjective form of the word "isothermal" is "isothermal".

The plural of the "isothermal" can be the "isothermals".

The singular of the "isothermal" can be the "isothermal".