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1. Of, relating to, or originating from an explosive volcanic eruption.
2. Vulcanian Roman Mythology Of or relating to Vulcan.
3. Of or relating to metalworking or craft.


(Geological Science) geology
a. of or relating to a volcanic eruption characterized by the explosive discharge of fine ash and large irregular fragments of solidified or viscous lava
b. a less common word for volcanic
[C17: after Vulcan]


(vʌlˈkeɪ ni ən)

1. of or pertaining to Vulcan.
2. (l.c.) volcanic.
[1590–1600; < Latin Vulcāni(us) of Vulcan + -an1]
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References in periodicals archive ?
In a Vulcanian eruption, magma and magmatic gas are released high into the atmosphere by a great force resulting in large eruption clouds.
A Vulcanian eruption tends to eject fragments of new lava, whereas Pelean eruptions blow the full range of volcanic products from a central crater, which then forms a high-speed `glowing cloud' or avalanche.
A vulcanian eruption results from the sudden release of large quantities of magmatic gas, ejecting materials high in the air to form the cauliflower clouds that were observed on Monday.