VOLCANISM
Meaning of VOLCANISM in English
transcription, транскрипция: [ ˈväl-kə-ˌni-zəm, ˈvȯl- ]
noun
Date: circa 1864
: volcanic action or activity
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003