English edit

Etymology edit

phreat(ic) +‎ -o- +‎ magmatic

Pronunciation edit

  • (UK) IPA(key): /fɹɪˌatə(ʊ)maɡˈmatɪk/

Adjective edit

phreatomagmatic (not comparable)

  1. (geology) Pertaining to a volcanic eruption caused by magma coming into contact with water.