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

bioturbation

play
noun bio·tur·ba·tion \ˌbī-ō-tər-ˈbā-shən\

Definition of bioturbation

  1. :  the restructuring of sedimentary deposits (as in a lake bottom or seabed) by moving organisms (as worms and burrowing clams)

bio·tur·bat·ed play \-ˈbā-təd\ adjective


Origin of bioturbation

International Scientific Vocabulary


First Known Use: 1967


Learn More about bioturbation


Seen and Heard

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

WORD OF THE DAY

February 6, 2016

an official order, decree, or edict

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 kittly-benders pince-nez
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