Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Volcanic force or activity.
  • noun The phenomena associated with volcanic activity.

from The Century Dictionary.

  • noun The phenomena connected with volcanoes and volcanic activity.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Volcanic power or action; volcanicity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun volcanology Any of the natural phenomena and processes associated with the action of volcanos, geysers and fumaroles

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the phenomena associated with volcanic activity

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

volcano + -ism

Examples

  • As Italy is one of the most recently developed parts of the mainland and of the crust that has risen above the waters, it is subject to the phenomena that are due to that internal energy of the earth called volcanism, which is manifested in the various forms of volcanic activity, in earthquakes and in microseisms.

    The Catholic Encyclopedia, Volume 8: Infamy-Lapparent

  • ET, the distribution of heatflow on earth is in the first place determined by the distribution of oceanic basaltic volcanism, which is in it’s turn determined by mid-oceanic ridges, which position is driven by viscous sic flow in the upper mantle.

    Hits « Climate Audit

  • Formed the idea of uniformitarianism stating current geologic processes, such as volcanism and erosion, have been at work throughout Earth's history.

    Recently Uploaded Slideshows

  • How about "volcanism" on a body just 6 km in diameter?

    Signs of the Times

  • ** With the dating of rock by means of radioactive substances, it is not a question of how long the material has been present in the earth, but when it was formed by volcanism or by sedimentation depositing by water.

    Modern Science in the Bible

  • The contribution to the present day atmospheric CO2 loading from volcanic emissions is, however, relatively insignificant, and it has been estimated that subaerial volcanism releases around 300 Mt/yr CO2.

    What's the carbon footprint of ... a volcano?

  • ** With the dating of rock by means of radioactive substances, it is not a question of how long the material has been present in the earth, but when it was formed by volcanism or by sedimentation depositing by water.

    Modern Science in the Bible

  • Smithsonian researchers are keen to participate, not only to expose children to science but also to serve as role models, says Elizabeth Cottrell, a geologist and director of the Smithsonian's global volcanism program.

    Interactive game 'Vanished' doubles as an educational tool

  • Researchers had speculated that volcanism contributed to this, and now there is evidence to accompany the theory.

    Coal Fires May Have Caused Biggest Mass Extinction Ever

  • ** With the dating of rock by means of radioactive substances, it is not a question of how long the material has been present in the earth, but when it was formed by volcanism or by sedimentation depositing by water.

    Modern Science in the Bible

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.