Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

eugeosyncline

play
noun eu·geo·syn·cline \(ˌ)yü-ˌjē-ō-ˈsin-ˌklīn\

Definition of eugeosyncline

  1. :  a narrow rapidly subsiding geosyncline usually with volcanic materials mingled with clastic sediments

eugeosynclinal play \-(ˌ)sin-ˈklī-nəl\ adjective


1942

First Known Use of eugeosyncline

1942


Learn More about eugeosyncline


Seen and Heard

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

WORD OF THE DAY

to work hard

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

maudlin angry oily prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ