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

Then discover the otherworldly bubbling mudpools and steam vents of Námaskarð, and the legends behind Dimmuborgir’s black volcanic formations. National Geographic, "Iceland Hiking Adventure," 12 June 2019 An ice core might likewise contain traces of ash that blanketed the earth after the volcanic explosions of Krakatoa in Indonesia (in 1883) or maybe even Vesuvius, near Pompeii (in 79 AD). Jon Gertner, WIRED, "The Top Secret Cold War Project That Pulled Climate Science From the Ice," 12 June 2019 This is not the first time this year a person has fallen into a volcanic caldera in the United States. CNN, "Man rescued after falling 800 feet into Crater Lake in Oregon," 11 June 2019 Shaggy Briton woodsmen in the vast pre-Roman forests of Cumbria, gripping their sacred Langdale axes, with glimmering heads knapped from the rare volcanic greenstone mined from the Pike of Stickle. Jonny Diamond, Longreads, "Lumbersexuality, a Sport and a Pastime," 8 June 2019 Sydney’s coveted hair care brand recently launched a skin care line, and a standout is the luxe FS1 Face Scrub formulated with volcanic sands and crushed diamonds for maximum exfoliation. $60. Kevin Smothers, latimes.com, "Father’s Day shopping: Give the gift of grooming with these fresh products," 6 June 2019 Fully unwind at Naum Wellness & Spa, where the signature massage incorporates warm volcanic stones and a custom blend of essential oils, and then unwind some more with mezcal cocktails at one of the property’s four restaurants. Vogue, "The Power of Scent: 5 New Fragrances to Help Those Vacation Memories Linger, Long After The Trip Ends," 31 May 2019 That popping represented a clear sign that high-pressure gas was trapped within the black volcanic material. David Grossman, Popular Mechanics, "Where Did This Massive Underwater Volcano Come From?," 22 May 2019 More than 30 Republicans joined Democrats to support the bill, which would provide more than $19 billion in aid to areas hit by wildfires, volcanic eruptions and tornadoes. Andrew Duehren, WSJ, "Disaster-Aid Bill’s Passage in House Kicks Off Next Phase of Negotiations," 10 May 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

18 Jun 2019

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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

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