VOLCANISM
Meaning of VOLCANISM in English
n.
Pronunciation: ' väl-k ə - ˌ ni-z ə m, ' vo ̇ l-
Function: noun
Date: circa 1864
: volcanic action or activity
Merriam Webster Collegiate English Dictionary.
Merriam Webster - Энциклопедический словарь английского языка.
2012