bioclastic

adjective

bi·​o·​clas·​tic

¦bīō‧¦klastik

of rock or similar material

: attaining its present form through the action of living organisms

concrete, like the consolidated muds of certain coral reefs, may be considered a bioclastic substance

Word History

Etymology

bi- entry 2 + -clastic

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now