Meaning & use
isotherm
A line on a map or chart connecting points that have the same temperature.
See it in a sentence
The weather map's isotherms showed a sharp temperature drop moving north.
Meteorologists drew isotherms to visualize where the cold front would meet warmer air.
A note on using this word
Similar lines exist for other variables, such as the 'isobar', which connects points of equal pressure.
Words with a similar meaning
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