Dictionary.com
definitions
  • synonyms

orogen

[awr-uh-jen, -juh n, ohr-]
noun Geology.
  1. an extensive belt of rocks deformed by orogeny, associated in places with plutonic and metamorphic rocks.
Show More

Origin of orogen

< German (1921); see oro-1, -gen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018