comminution

noun

com·​mi·​nu·​tion ˌkä-mə-ˈn(y)ü-shən How to pronounce comminution (audio)
plural -s
1
: the act or action of comminuting or the fact of being comminuted : trituration, pulverization
2
: gradual diminution by the removal of small particles at a time : wearing away : lessening
natural and necessary comminution of our livesSamuel Johnson
3
: fracture (as of a bone) into a number of pieces

Word History

Etymology

Latin comminutus + English -ion

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

Browse Nearby Words

Cite this Entry

“Comminution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/comminution. Accessed 13 Dec. 2025.

Love words? Need even more definitions?

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