wall rock

noun

: a rock through which a fault or vein runs

Word History

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of wall rock was in 1866

Rhymes for wall rock

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Browse Nearby Words

wall reaction
wall rock
wall rocket
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Cite this Entry

“Wall rock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wall%20rock. Accessed 14 Jul. 2025.

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