vol·​ca·​nic | \ väl-ˈka-nik How to pronounce volcanic (audio) , vȯl- also -ˈkā- \

Definition of volcanic

 (Entry 1 of 2)

1a : of, relating to, or produced by a volcano
b : characterized by volcanoes a volcanic range
c : made of materials from volcanoes
2 : explosively violent : volatile volcanic emotions



Definition of volcanic (Entry 2 of 2)

: a volcanic rock

Other Words from volcanic


volcanically \ väl-​ˈka-​ni-​k(-​ə)lē How to pronounce volcanic (audio) , vȯl-​ also  -​ˈkā-​ \ adverb

Examples of volcanic in a Sentence

Adjective a man with a volcanic temper that could go off at any moment
Recent Examples on the Web: Adjective Chemical signatures on the meteorite indicate that Mars also had volcanic activity similar to that on Earth, and may help researchers compare the formation history of Earth and Mars. Elizabeth Gamillo, Smithsonian Magazine, 14 July 2022 Still others are associated with volcanic activity, groundwater seepage or coal mines. Quanta Magazine, 1 July 2022 Mount Washburn, the remnant of volcanic activity, was named after the 1870s Washburn-Langford-Doane expedition leader General Henry Washburn. Fox News, 21 May 2022 Nootka Seamount is an underwater mountain that formed thanks to volcanic activity. Joshua Hawkins, BGR, 11 May 2022 Many scientists thought that the Descartes region featured rocks that had been shaped by volcanic activity, proving that the moon had evolved over a long period of time. Gary Robbins, San Diego Union-Tribune, 23 Apr. 2022 Hydrothermal sites are abundant in this northern Californian landscape of bubbling mud pots, lava fields, and the sort of intricate wilderness only volcanic activity can inspire. J.d. Simkins, Sunset Magazine, 11 Apr. 2022 Although there is no current volcanic activity, that does not mean the volcanoes are not active, according to study author Kelsi Singer, senior research scientist at the Southwest Research Institute in Boulder, Colorado. Maria Jimenez Moya, USA TODAY, 30 Mar. 2022 Its seafloor may still be undergoing volcanic and/or hydrothermal activity that could offer subsurface life a steady supply of nutrients via chemical synthesis. Bruce Dorminey, Forbes, 18 Mar. 2022 Recent Examples on the Web: Noun Yet the Krýsuvík-Trölladyngja volcanic system—which extends narrowly through the Reykjanes Peninsula, in the country’s southwest—hadn’t erupted for seven or eight hundred years. Heidi Julavit, The New Yorker, 16 Aug. 2021 In a separate project in 2018, for example, scientists announced the discovery of a stunning volcanic ‘lost world’ off the coast of Tasmania. Fox News, 20 June 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'volcanic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of volcanic


1776, in the meaning defined at sense 1a


1801, in the meaning defined above

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Time Traveler for volcanic

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The first known use of volcanic was in 1776

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Dictionary Entries Near volcanic



volcanic ash

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Statistics for volcanic

Last Updated

1 Aug 2022

Cite this Entry

“Volcanic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volcanic. Accessed 11 Aug. 2022.

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More Definitions for volcanic


vol·​ca·​nic | \ väl-ˈka-nik How to pronounce volcanic (audio) , vȯl- \

Kids Definition of volcanic

: of, relating to, or produced by a volcano volcanic ash

More from Merriam-Webster on volcanic

Nglish: Translation of volcanic for Spanish Speakers

Britannica English: Translation of volcanic for Arabic Speakers


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