WordReference Random House Unabridged Dictionary of American English © 2025
flysch
(flish),USA pronunciation n. [Geol.]
- Geologyan association of certain types of marine sedimentary rocks characteristic of deposition in a foredeep.
- Swiss German flīsch referring to such deposits in the Swiss Alps; perh. akin to Swabian dialect, dialectal flins slate (akin to flint)
- German
- 1845–55