downfault

noun, verb — 2 senses

downfault

noun

Etymology From down- + fault.

1

Geography, Geology, Natural sciences A graben (area sunken relative to surrounding land).

downfault

verb

Etymology From down- + fault.

1

Geography, Geology, Natural sciences To form a fault that is sunken relative to the surrounding land.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.