Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

orogen

noun
oro·​gen | \ ˈōrəjə̇n, -ˌjen\
variants: or less commonly orogene \ -​ˌjēn \
plural -s

Definition of orogen

1 : a mountain mass that is a unit with respect to origin or uplift
2 : a region of mountain-making disturbance — compare kratogen

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for orogen

German orogen, back-formation from orogenie orogeny

Keep scrolling for more

Learn More about orogen

Dictionary Entries near orogen

Orochi

Orocovis

orocratic

orogen

orogenesis

orogeny

orograph

Statistics for orogen

Look-up Popularity

Comments on orogen

What made you want to look up orogen? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

imbroglio

a complex dispute or argument

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games