Dictionary
vol•can•i•clas•tic
Pronunciation: (vol-kan"i-klas'tik), [key]—
adj. Geol.
pyroclastic.
Also,vol•can•o•clas•ticPronunciation: (vol-kan"u-klas'tik). [key]Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.