
1) Eruptive 2) Extrusive 3) Fiery 4) Unstable
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https://www.crosswordclues.com/clue/volcanic

1) Explosively unstable 2) Explosively violent 3) French word used in English 4) Like some ash 5) Made of lava 6) Mount 7) Mountain
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https://www.crosswordclues.com/clue/volcanic

• (a.) Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa. • (a.) Changed or affected by the heat of a volcano. • (a.) Of or pertaining to a volcano or volcanoes; as, volcanic heat.
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http://thinkexist.com/dictionary/meaning/volcanic/

1. Of or pertaining to a volcano or volcanoes; as, volcanic heat. ... 2. Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa. ... 3. Changed or affected by the heat of a volcano. Volcanic bomb, a mass ejected from a volcano, often of molten lava having a rounded form. Volcanic cone, a hill, conical in form, built up of...
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http://www.encyclo.co.uk/local/20973

Having originated from a volcano.
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http://www.encyclo.co.uk/local/22291

formed by the eruption of molten rock (called lava or magma) onto the surface of a planet.
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http://www.encyclo.co.uk/visitor-contributions.php
Vol·can'ic adjective [ Confer French
volcanique , Italian
vulcanico .]
1. Of or pertaining to a volcano or volcanoes; as,
volcanic heat.
2. Produced by a volcano, or, more generally, by igneous agencies; as,
volcanic tufa.
3. Changed or affected ...
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http://www.encyclo.co.uk/webster/V/34

The action or process of magma and gases rising to the crust and being extruded onto the surface and into the atmosphere; also applies to the resulting igneous rocks that cool on the surface of the Earth, including beneath water.
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http://www.scientificpsychic.com/etc/geology-glossary.html

adj. Describes the action or process of magma and gases rising to the crust and being extruded onto the surface and into the atmosphere; also applies to the resulting igneous rocks that cool on the surface of the Earth, including beneath water, which typically have small crystals due to the rapidity of cooling. volcanically - adv. extrusive - syn. ...
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http://www.ucmp.berkeley.edu/glossary/gloss2geol.html

adj. Describes the action or process of magma and gases rising to the crust and being extruded onto the surface and into the atmosphere; also applies to the resulting igneous rocks that cool on the surface of the Earth, including beneath water, which typically have small crystals due to the rapidity of cooling. volcanically - adv. extrusive - syn. ...
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http://www.ucmp.berkeley.edu/glossary/glossary_2.html

[
adj] - relating to or produced by or consisting of volcanoes 2. [adj] - explosively unstable
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http://www.webdictionary.co.uk/definition.php?query=volcanic

volcanic 1. Characteristic of, pertaining to, situated in or upon, formed in, or derived from volcanoes. 2. Discharged from or produced by volcanoes; such as, volcanic mud. 3. Characterized by the presence of volcanoes; a volcanic area. 4. Suggestive of or resembling a volcano; potentially explosive; volatile: 'The mother had a volcanic reaction ...
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pertaining to igneous rocks which have been erupted from volcanoes.
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In terms of smell and taste a synonym for sulphurous; see there. sulfurous Description (also sulphur-hard) for the smell and taste of a wine in the context of a wine address. This is expressed by the typical, volcanic sulphur smell, a taste of freshly inflamed sulphur wood, as well as a hard, rough and pungent... Full text
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https://glossary.wein.plus/volcanic

igneous rock that forms when magma cools on the Earth's surface
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https://sciencetrek.org/sciencetrek/topics/geology/glossary.cfm

igneous rock that forms when magma cools on the Earth's surface
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https://sciencetrek.org/sciencetrek/topics/rocks_and_minerals/glossary.cfm

related to a volcano
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https://sciencetrek.org/sciencetrek/topics/water/glossary.cfm
adjective igneous rock produced by eruption and solidified on or near the earth`s surface; rhyolite or andesite or basalt; `volcanic rock includes the volcanic glass obsidian`
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No exact match found.