Definitions for volcanic eruptions
This page provides all possible meanings and translations of the word volcanic eruptions
U.S. National Library of Medicine
The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
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"volcanic eruptions." Definitions.net. STANDS4 LLC, 2015. Web. 29 Jan. 2015. <http://www.definitions.net/definition/volcanic eruptions>.