: broken in place
used of rocks having a broken or brecciated structure due to crushing in contrast to those of brecciated materials brought from a distance

Word History


aut- + clastic

First Known Use

1891, in the meaning defined above

Time Traveler
The first known use of autoclastic was in 1891

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Dictionary Entries Near autoclastic

Cite this Entry

“Autoclastic.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2024.

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