Peripediment (noun) (geology)
per-ee-ped-e-ment
A broad, gently sloping surface on detrital alluvium that either extends outwards from a mountain foot in an arid or semi-arid region or else smoothly continues the line of an intervening pediment.
1940s. From peri- + pediment.
Example sentences
“The peripediment gave way to the gentle climbs to the peak.”
