isotherm
nounUK /ˈaɪ.səʊˌθɜː(ɹ)m/
Etymology From the French isotherme (“of equal temperature”, adjective), itself from Ancient Greek ἴσος (ísos, “equal”) + θέρμη (thérmē, “warmth”). By surface analysis, iso- + -therm.
1
A line on a graph or chart, such as a weather map, along which all the points have the same temperature.
- Derived terms
- chronoisotherm, geoisotherm, isothermal
- Related terms
- isothermality, isothermic