Volcanology:
volca'nology. f. volcano sb. + -(o)logy. = vulcanology. The science or scientific study of volcanoes.

  • 1886 Athenæum 14 Aug. 210/3 The Progress in volcanology and seismology for 1885.

  • 1889 Pall Mall G. 23 Oct. 3/2 Students..will find comparatively little that is new to them, as volcanology, in this..easy-going volume.

This definition was modified from the Oxford English Dictionary

To my home page