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Volcano definition is - a vent in the crust of the earth or another planet or a moon from which usually molten or hot rock and steam issue; also : a hill or mountain composed wholly or in part of the ejected material.


The Catalogue of the Active Volcanoes of the World, published by the International Association of Volcanology, uses this definition, by which there are more than 500 active volcanoes. However, the span of recorded history differs from region to region.


Volcano definition, a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. See more. ... Volcanoes are usually associated with plate boundaries but can also occur within the interior areas of a tectonic plate.


Define volcano. volcano synonyms, volcano pronunciation, volcano translation, English dictionary definition of volcano. volcano cutaway of an erupting volcano n. pl. vol·ca·noes or vol·ca·nos 1. a. An opening in the earth's crust from which lava, ash, and hot gases flow or...


The definition of a volcano is a rupture in the Earth's crust where molten lava, hot ash, and gases from below the Earth’s crust escape into the air.


Definition of volcano from the Collins English Dictionary. The forms of main verbs. English verbs have up to five different forms. These are: 1 the base form, e.g. pull 2 the 3rd person singular, present simple tense, e.g. pulls 3 the past simple tense, e.g. pulled ...


volcano meaning: 1. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out: 2. a mountain made from burned materials that may throw out hot rocks and lava (= hot liquid rock) from a hole in its top. Learn more.


Volcanic definition is - of, relating to, or produced by a volcano. How to use volcanic in a sentence. of, relating to, or produced by a volcano; characterized by volcanoes; made of materials from volcanoes…


Define volcanic. volcanic synonyms, volcanic pronunciation, volcanic translation, English dictionary definition of volcanic. adj. 1. Of, resembling, or caused by a volcano or volcanoes: a volcanic peak; volcanic islands. 2. Produced by or discharged from a volcano: volcanic ash....


Volcanic definition, of or relating to a volcano: a volcanic eruption. See more.