the GNU version of the Collaborative International Dictionary of English
n. The science which treats of phenomena due to plutonic action, as in volcanoes, hot springs, etc.
The Century Dictionary and Cyclopedia
n. Same as volcanology.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of geology that studies volcanoes
Word Usage
"The scope of the meeting is huge, taking in anything from space and planetary science, vulcanology, seismology, all the way through to science education and geoscience informatics."