Dictionary

pyroclastic

adjective py·ro·clas·tic \-ˈklas-tik\

Definition of PYROCLASTIC

:  formed by or involving fragmentation as a result of volcanic or igneous action

First Known Use of PYROCLASTIC

1862

Browse

Next Word in the Dictionary: pyrocollPrevious Word in the Dictionary: pyroclastAll Words Near: pyroclastic
May 28, 2015
fictioneer Hear it
someone who writes fiction
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears