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From phreat(ic) + -o- + magmatic.
Etymology from Wiktionary, CC BY-SA 4.0.
phreatomagmatic
Today it means: Pertaining to a volcanic eruption caused by magma coming into contact with water. Full definition →
Today it means: Pertaining to a volcanic eruption caused by magma coming into contact with water. Full definition →
From phreat(ic) + -o- + magmatic.
Etymology from Wiktionary, CC BY-SA 4.0.