isopleth

noun

iso·​pleth ˈī-sə-ˌpleth How to pronounce isopleth (audio)
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
isoplethic adjective

Word History

Etymology

International Scientific Vocabulary is- + Greek plēthos quantity; akin to Greek plēthein to be full — more at full

First Known Use

1908, in the meaning defined at sense 1

Time Traveler
The first known use of isopleth was in 1908

Dictionary Entries Near isopleth

Cite this Entry

“Isopleth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isopleth. Accessed 28 Nov. 2024.

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