gos·​san ˈgä-sᵊn How to pronounce gossan (audio)
: decomposed rock or vein material of reddish or rusty color that results from oxidized pyrites

Word History


Cornish gossen, from gōs blood

First Known Use

1776, in the meaning defined above

Time Traveler
The first known use of gossan was in 1776

Dictionary Entries Near gossan

Cite this Entry

“Gossan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gossan. Accessed 14 Jul. 2024.

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