We found 23 dictionaries that define the word volcanism:

General (19 matching dictionaries)

1. volcanism: Merriam-Webster
2. volcanism: Oxford Learner's Dictionaries
3. volcanism: American Heritage Dictionary of the English Language
4. volcanism: Collins English Dictionary
5. volcanism: Vocabulary.com
6. Volcanism, volcanism: Wordnik
7. volcanism: Wiktionary
8. volcanism: Webster's New World College Dictionary, 4th Ed.
9. volcanism (vulcanism): The Wordsmyth English Dictionary-Thesaurus
10. volcanism: Infoplease Dictionary
11. volcanism: Dictionary.com
12. Volcanism: Wikipedia, the Free Encyclopedia
13. Volcanism: Online Plain Text English Dictionary
14. volcanism: Webster's Revised Unabridged, 1913 Edition
15. volcanism: Rhymezone
16. Volcanism: AllWords.com Multi-Lingual Dictionary
17. volcanism: FreeDictionary.org
18. volcanism: Mnemonic Dictionary
19. volcanism: TheFreeDictionary.com

Business (1 matching dictionary)

20. volcanism: Legal dictionary

Computing (1 matching dictionary)

21. volcanism: Encyclopedia

Science (1 matching dictionary)

22. volcanism: Natural History Terms

Slang (1 matching dictionary)

23. Volcanism: Urban Dictionary

(Note: See volcanisms as well.)

Definitions from Wiktionary (volcanism) ▸ noun:  (volcanology) Any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles Similar: volcanology, volcanist, vulcanology, vulcanist, magmatology, glaciovolcanism, geodynamics, fossilogy, magmatics, earth science, more... Opposite: erosion, weathering, denudation Types: effusive, explosive, subglacial, hydrothermal, more... Phrases: flood volcanism, Volcanism of Iceland, Timeline of volcanism on Earth, Volcanism on Mars, Volcanism of New Zealand, more... Adjectives: active, basaltic, explosive, recent, alkaline, submarine, extensive, widespread, late, basic, intraplate Colors:     ash gray,     sulfur yellow,     fiery red,     charred black,     cinder, more... ▸ Words similar to volcanism ▸ Usage examples for volcanism ▸ Idioms related to volcanism ▸ Wikipedia articles (New!) ▸ Popular adjectives describing volcanism ▸ Words that often appear near volcanism ▸ Rhymes of volcanism ▸ Invented words related to volcanism