iso·​pach ˈī-sə-ˌpak How to pronounce isopach (audio)
: an isoline that connects points of equal thickness of a geologic stratum formation or group of formations

Word History


is- + -pach (from Greek pachys thick) — more at pachyderm

First Known Use

circa 1918, in the meaning defined above

Time Traveler
The first known use of isopach was circa 1918

Dictionary Entries Near isopach

Cite this Entry

“Isopach.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

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