1. A line on a map or chart joining points or places of equal temperature.
2. A curve on a graph representing readings taken at constant temperature (e.g. the relationship between the pressure and volume of a gas at constant temperature).
Astronomy
A line on a map or graph connecting points of equal temperature.
Chemistry
1. A line on a map or chart joining points or places of equal temperature.
2. A curve on a graph representing readings taken at constant temperature (e.g. the relationship between the pressure and volume of a gas at constant temperature).
Chemical Engineering
1. A condition representing constant temperature.
2. The relation between the moisture content of a substance and the relative humidity in the surrounding air.
Geology and Earth Sciences
Line on a climate map connecting points of equal average temperature.