Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geology solid matter ejected into the air by an active volcano

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

pyro- +‎ -clast

Support

Help support Wordnik (and make this page ad-free) by adopting the word pyroclast.

Examples

  • But I welcome photos that you contribute, too, and this shot by Gerard Tripp of a fairly large pyroclast on Krakatau volcano, in Indonesia, is a great example of a lava bomb.

    About.com Geology 2009

  • In the air, after it’s blown out of the volcano, it’s pyroclast—broken rock—but on the ground it’s called tephra.

    The Burning Wire Jeffery Deaver 2010

  • In the air, after it’s blown out of the volcano, it’s pyroclast—broken rock—but on the ground it’s called tephra.

    The Burning Wire Jeffery Deaver 2010

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.