Molasse

//məˈlæs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A shallow deposit of sandstone, shale and conglomerate in front of a rising mountain chain. countable, uncountable

    "The molasse provides a record of the wearing down of the Alpine range at a late stage; unlike the Flysch, it is largely non-marine."

Example

More examples

"This mountain is composed of molasse, which is partly covered by moraine material."

Etymology

From French molasse, a kind of sandstone, from Latin mollis (“soft”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.