- Meteorology. a line on a weather map or chart connecting points having equal temperature.
- Also called isothermal line. Physics. a curve on which every point represents the same temperature.
Origin of isotherm
Examples from the Web for isotherm
Historical Examples of isotherm
This is shown by the isotherm for -4.5, which surrounds the point Q, the melting point of the ternary salt.The Phase Rule and Its Applications
The scale must, however, be laid perpendicularly to the isotherm, as before.
Isotherm, a compound of two Greek words meaning equal temperature, is the name given in meteorology to such lines as this.
Draw an isotherm east and west across the map, through your station.
On a second blank weather map draw an isotherm through your station inclined from northwest to southeast.
- a line on a map linking places of equal temperature
- physics a curve on a graph that connects points of equal temperature
Word Origin and History for isotherm
- A line drawn on a weather map connecting points that have the same temperature. Each point can mark one temperature reading or an average of several readings.