vol·ca·nism

(vŏl′kə-nĭz′əm) also vul·ca·nism (vŭl′-)

1. Volcanic force or activity.

2. The phenomena associated with volcanic activity.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

volcanism

(ˈvɒlkəˌnɪzəm) or

vulcanism

(Geological Science) those processes collectively that result in the formation of volcanoes and their products

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

vol•can•ism

(ˈvɒl kəˌnɪz əm)

also vulcanism

the phenomena connected with volcanoes and volcanic activity.

[1865–70]

volcanism

the phenomena connected with volcanoes and volcanic activity. Also vulcanism. — volcanist, n.

See also: Volcanoes

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

volcanism - the phenomena associated with volcanic activity

geological phenomenon - a natural phenomenon involving the structure or composition of the earth

Translations

Vulkanismus

ηφαιστειότητα

vulcanismo

volcanisme

vulkanizam

vulkanizmus

vulcanismo

wulkanizm

Mentioned in

References in periodicals archive

The nine contributions that make up the main body of the text are devoted to the Pleistocene megaflood landscapes of the Channeled Scabland, basalt and rhyolite volcanism in the western Snake River Plain of Idaho, the Columbia River Basalt Group of western Idaho and eastern Washington, and many other related subjects.

Exploring the Geology of the Inland Northwest

David Fastovsky, a paleontologist at the University of Rhode Island in Kingston, says fossil and geological records suggest that a single sudden event triggered the extinction, something the drawn-out climate change caused by volcanism doesn't fit.

Volcanoes cited in dinosaurs' demise: Deccan eruptions began before mass extinction, new work finds

The surprising discovery marked the first time active volcanism was seen on another body in the solar system....

April 1989

Now scientists at Massachusetts Institute of Technology and elsewhere have simulated this last possibility, creating global climate models of scenarios in which repeated bursts of volcanism spew gases, including sulfur, into the atmosphere.

Rain as acidic as lemon juice may have led to mass extinction 250 mln yrs ago

Road maps follow chapters on geologic features including mountain-building, hot spots, volcanism, glaciation, and fossil forests.

Roadslide geology of Yellowstone country, 2d ed

"Our work in Meghalaya and the Deccan Traps provides the first one-to-one correlation between the mass extinction and Deccan volcanism," said Keller, who is lead author of the Geological Society paper and second author of the EPSL paper after lead author Brian Gertsch, who earned his Ph.D.

Volcanoes, Meteorite Impacts Doomed Dinosaurs

They discuss formative forces including volcanism, water, ice, and atmosphere.

Planetology; unlocking the secrets of the solar system

Many of such questions relate to issues that are currently a focus of attention: global change, past climate extremes, complex Earth systems, planetary evolution, extinction events, flood volcanism, potential relationships with large impact events, and the discovery of new ore resources.

Taking the pulse of planet earth: a proposal for a new multi-disciplinary flagship project in Canadian solid earth sciences

About 400 child evacuees staying in the capital are expected to spend New Year's Eve in evacuation centers due to continued volcanism on Miyakejima.

Young Miyakejima evacuees receive 5,000 yen as New Year gifts+

The geologists speculate that, like most explosive volcanism, the Caribbean eruptions first led to minor cooling of the atmosphere and that the cooling was most severe near volcanoes in the tropics.

Ancient eruptions may have changed climate