VOLCANIC ERUPTION
\vɒlkˈanɪk ɪɹˈʌpʃən], \vɒlkˈanɪk ɪɹˈʌpʃən], \v_ɒ_l_k_ˈa_n_ɪ_k ɪ_ɹ_ˈʌ_p_ʃ_ə_n]\
Definitions of VOLCANIC ERUPTION
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By Princeton University
By DataStellar Co., Ltd
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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)
By DataStellar Co., Ltd
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