[ vuhl-kuh-niz-uh m ]
/ ˈvʌl kəˌnɪz əm /

noun Geology.

Origin of vulcanism

First recorded in 1875–80; variant of volcanism

Related forms

vul·can·ist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vulcanism

  • Thus as we travel up the rich valleys leading from the Columbia to either peak, we meet everywhere the phenomena of vulcanism.

    The Guardians of the Columbia|John H. (John Harvey) Williams
  • Not all the striking effects of vulcanism belong to the remote geologic past.

British Dictionary definitions for vulcanism


/ (ˈvʌlkəˌnɪzəm) /


a variant of volcanism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012