isobar
nounEtymology From Ancient Greek ἴσος (ísos, “equal”) + βάρος (báros, “weight”), equivalent to iso- + bar-.
1
Climatology, Meteorology, Natural sciences A line drawn on a map or chart connecting places of equal or constant pressure.
2
Natural sciences, Physical sciences, Physics, Thermodynamics A set of points or conditions at constant pressure.
3
Either of two nuclides of different elements having the same mass number.
Nuclear physics
- Derived terms
- isobaric