Definition of isopleth
1 : an isoline on a graph showing the occurrence or frequency of a phenomenon as a function of two variables
2 : a line on a map connecting points at which a given variable has a specified constant value
Origin of isopleth
International Scientific Vocabulary is- + Greek plēthos quantity; akin to Greek plēthein to be full — more at full
First Known Use: 1908
Learn More about isopleth
Britannica.com: Encyclopedia article about "isopleth"
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