Dictionary » V » 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 cinders, tufa, or lava, during volcanic eruptions. Volcanic foci, the subterranean centers of volcanic action; the points beneath volcanoes where the causes producing volcanic phenomena are most active. Volcanic glass, the vitreous form of lava, produced by sudden cooling; obsidian. See Obsidian. Volcanic mud, fetid, sulphurous mud discharged by a volcano. Volcanic rocks, rocks which have been produced from the discharges of volcanic matter, as the various kinds of basalt, trachyte, scoria, obsidian, etc, whether compact, scoriaceous, or vitreous.

Origin: Cf. F. Volcanique, It. Vulcanico.

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Theories - Origin of Life

... could form. Although research since then has revealed the early atmosphere of Earth was actually hydrogen-poor, scientists have suggested that volcanic clouds in the early atmosphere might have held methane, ammonia and hydrogen and been filled with lightning as well.

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by einfopedia
Wed Mar 28, 2012 7:34 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1128020

Re: I hate to do this.

... include: Plant and animal respiration Plant and animal decay (by detritivores) Combustion of fossil fuels (emissions from cars and trucks). Volcanic eruptions Pick the alternative that does not fit here. An ecologist is interested in monitoring the amount of organic material that is generated ...

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by Larsa
Tue Nov 15, 2011 11:07 am
Forum: General Discussion
Topic: I hate to do this.
Replies: 3
Views: 28546

Is this the way we sterilize a wire loop?

... suffice. The microbes are killed rapidly by the quick change from cold to hot to relative cold. The shock kills them. Kinda like taking a human to volcanic lava and then to the Greenland ice shelf.

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by daniel.kurz
Mon Oct 24, 2011 3:30 am
Forum: Cell Biology
Topic: Is this the way we sterilize a wire loop?
Replies: 4
Views: 1739

Re: Big bang and Evoluion

... it cannot be used as an offense toward my scientific hypothesis. Layered (cellular) structure of the Earth is cohesive instead of separated. Volcanic activities (i.e. Crust) cannot produce our atmosphere (even gravity holds the "cell"). It must come from the outer space. However, ...

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by kk23wong
Thu Dec 17, 2009 10:07 am
Forum: Evolution
Topic: Big bang and Evoluion
Replies: 75
Views: 72850


... are still affected of my feelings and emotions. That's why I stopped whenever I cry like a typhoon, shiver like an earthquake, and shout like a volcanic eruption. I saw you were scared to me on those times...I am so sorry. I love you and I never regretted it. You are my happiness.. You are my ...

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by joshuadisaster
Sun Oct 18, 2009 3:53 am
Forum: Ecology
Topic: Global Environmental Change
Replies: 68
Views: 110870
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