isoline
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
A line on a map connecting points that share the same value, such as height or temperature.
Usage notes
An isoline connecting points of equal rainfall is called an isohyet, and one connecting points of equal temperature is called an isotherm.
Test yourself
Which word fits the gap? "Contour lines are a familiar type of _____ used to show elevation on a map."
Answer: isoline
In your own words, what does "isoline" mean?
A line on a map connecting points that share the same value, such as height or temperature.
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