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

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Other Words from volcanic


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

Examples of volcanic in a Sentence


a man with a volcanic temper that could go off at any moment

Recent Examples on the Web: Adjective

The material most consistent with the infrared data is basalt, a rock produced by volcanic activity. John Timmer, Ars Technica, "Super-Earth at a nearby star is a Mercury-like hunk of rock," 20 Aug. 2019 Walton flitted from drilling down hard on basketball — those who work with him marvel at his pregame preparation — to volcanic island formations and the mating habits of humpback whales. Phil Rosenthal, chicagotribune.com, "Jason Benetti will call a White Sox game with ‘the neural fiesta that is Bill Walton’ on Aug. 16," 9 Aug. 2019 The Crater of Diamonds State Park in Murfreesboro, Ark., lets visitors search for real diamonds in their original volcanic source. Fox News, "Vacationing schoolteacher finds 2.12-carat brown diamond at Arkansas State Park," 31 July 2019 The park notes that personnel frequently plow the diamond search area, which previously was the site of an ancient, diamond-bearing volcanic crater. Eric Todisco, PEOPLE.com, "Nebraska Teacher Finds 2.12-Carat Diamond in Arkansas State Park While on Family Vacation," 30 July 2019 Brands can also be quite innovative with the ingredient mix, using things like chia seeds, jeju volcanic lava, and green tea, which attracts interest from customers. Ananya Bhattacharya, Quartz India, "Flipkart says Indians are adding Korean beauty products to their carts like never before," 25 July 2019 Most business insurance policies provide coverage for damage caused by a volcanic explosion, shockwaves, ash, dust or lava, according to the Insurance Information Institute. Washington Post, "A quick look at business insurance for natural disasters," 23 July 2019 But the restaurant doesn’t coast on its breathtaking setting: Chef Pavlos Kiriakis makes innovative use of local Greek ingredients such as ripe pistachios, white fava beans and tomatoes grown in Santorini’s rich volcanic soil. Cnn.com Wire Service, The Mercury News, "The world’s best waterfront restaurants promise more than a view," 23 July 2019 To visualize the barren wasteland, filmmakers used the porous volcanic tufa towers in Mono Lake, California, and the eerie geothermal pools of Yellowstone National Park in Wyoming as visual references. Bryan Alexander, USA TODAY, "How the heck did Disney make 'The Lion King' feel so real? Your burning questions, answered," 18 July 2019

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.

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First Known Use of volcanic


1776, in the meaning defined at sense 1a


1801, in the meaning defined above

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Statistics for volcanic

Last Updated

27 Aug 2019

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Time Traveler for volcanic

The first known use of volcanic was in 1776

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English Language Learners Definition of volcanic

: of, relating to, or produced by a volcano
informal : very angry or violent


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

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More from Merriam-Webster on volcanic

Rhyming Dictionary: Words that rhyme with volcanic

Thesaurus: All synonyms and antonyms for volcanic

Spanish Central: Translation of volcanic

Nglish: Translation of volcanic for Spanish Speakers

Britannica English: Translation of volcanic for Arabic Speakers

Comments on volcanic

What made you want to look up volcanic? Please tell us where you read or heard it (including the quote, if possible).


to make a temporary encampment

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