Found in the following dictionaries
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
OTCWL2014 (NASPA Word List 2014)
"Bioturbation" Definition
noun
The stirring or mixing of sediment or soil by organisms, especially by burrowing or boring.
Source: American Heritage Dictionary
The mixing of soil or sediment by living organisms.
Source: Wiktionary
The restructuring of sedimentary deposits (as in a lake bottom or seabed) by moving organisms (as worms and burrowing clams).
Source: Merriam-Webster
We love the game of Scrabble®, which is why we created Free Scrabble Dictionary - a simple lookup tool to check if the word you want to play is valid in the game of Scrabble®. At the top of every page, you can enter your word and click "Search Dictionary." We'll let you know whether your word is playable and provide a few definitions as well.