erosional

From erosion +‎ -al.

erosional (not comparable)

1. Pertaining to erosion.
   • 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 58:

     When the island finally reaches close to sea-level there will no longer be sufficient elevation to produce the rainfall that drives the erosional machine.

• erosional unconformity

erosional m or f (masculine and feminine plural erosionales)

1. erosional