volcanism volcanicity • volcanist · · · Info · Definitions · Characters · · volcanism · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the phenomena associated with volcanic activity. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 v latin small letter v U+0076