isos·​ta·​sy | \ī-ˈsä-stə-sē \

Definition of isostasy 

1 : general equilibrium in the earth's crust maintained by a yielding flow of rock material beneath the surface under gravitative stress

2 : the quality or state of being subjected to equal pressure from every side

Other Words from isostasy

isostatic \ˌī-​sə-​ˈsta-​tik \ adjective
isostatically \ˌī-​sə-​ˈsta-​ti-​k(ə-​)lē \ adverb

First Known Use of isostasy

1889, in the meaning defined at sense 1

History and Etymology for isostasy

International Scientific Vocabulary is- + Greek -stasia condition of standing, from histanai to cause to stand — more at stand

Keep scrolling for more

Learn More about isostasy

Statistics for isostasy

Look-up Popularity

Time Traveler for isostasy

The first known use of isostasy was in 1889

See more words from the same year

More from Merriam-Webster on isostasy

Rhyming Dictionary: Words that rhyme with isostasy Encyclopedia article about isostasy

Comments on isostasy

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


a soft lustrous wool fabric with mohair

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

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


Love words? Need even more definitions?

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