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

continental drift

noun

Simple Definition of continental drift

  • : the very slow movement of the continents on the surface of the Earth

Full Definition of continental drift

  1. :  a slow movement of the continents on a deep-seated viscous zone within the earth — compare plate tectonics

1926

First Known Use of continental drift

1926


Learn More about continental drift


Seen and Heard

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

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift duvet pince-nez kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ