isopach

noun
iso·​pach | \ ˈī-sə-ˌpak How to pronounce isopach (audio) \

Definition of isopach

: an isoline that connects points of equal thickness of a geological stratum formation or group of formations

First Known Use of isopach

circa 1918, in the meaning defined above

History and Etymology for isopach

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

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The first known use of isopach was circa 1918

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Cite this Entry

“Isopach.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/isopach. Accessed 26 January 2020.

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