Meaning & use
isoline
Last updated
a line on a map or chart connecting points that share the same value of a particular measurement, such as temperature or pressure.
See it in a sentence
The weather map used isolines to show areas of equal atmospheric pressure.
Isolines on the topographic map indicated elevation changes across the terrain.
A note on using this word
Specific types have their own names, such as isotherm for equal temperature and isobar for equal pressure.
Words with a similar meaning
contour line
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