Definition of oversteepening in English:

oversteepening

noun

Physical Geography
  • The increasing of a slope to a steepness greater than is normal or stable; especially the formation of a glacially oversteepened valley.

Origin

Early 20th century; earliest use found in Science. From over- + steepening [adjective]. Compare overdeepening and slightly earlier oversteepened.

Pronunciation

oversteepening

/ˌəʊvəˈstiːp(ə)nɪŋ/