volcanic

1 of 2

adjective

vol·​ca·​nic väl-ˈka-nik How to pronounce volcanic (audio)
vȯl-,
 also  -ˈkā-
1
a
: 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
volcanically
väl-ˈka-ni-k(-ə)lē How to pronounce volcanic (audio)
vȯl-
 also  -ˈkā-
adverb

volcanic

2 of 2

noun

: a volcanic rock

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Not far away, the rover also found a rock rich in serpentine minerals, which typically form when water interacts with certain volcanic rocks. Sharmila Kuthunur, Space.com, 16 Apr. 2025 It’s located with direct access to spectacular waterfalls, Mount Rinjani for volcanic hikes and water sports near the Gill islands. Michelle Tchea, Robb Report, 10 Apr. 2025
Noun
But the inclusion of these uninhabited volcanic outposts raised eyebrows. Arick Wierson, MSNBC Newsweek, 16 Apr. 2025 Fossil feathers from the Colli Albani volcanic complex (Late Pleistocene, Central Italy) preserved in zeolites Before joining Discover Magazine, Paul Smaglik spent over 20 years as a science journalist, specializing in U.S. life science policy and global scientific career issues. Paul Smaglik, Discover Magazine, 18 Mar. 2025 See All Example Sentences for volcanic

Word History

First Known Use

Adjective

1776, in the meaning defined at sense 1a

Noun

1801, in the meaning defined above

Time Traveler
The first known use of volcanic was in 1776

Browse Nearby Words

Cite this Entry

“Volcanic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volcanic. Accessed 30 Apr. 2025.

Kids Definition

volcanic

adjective
vol·​ca·​nic
väl-ˈkan-ik,
vȯl-,
 also  -ˈkān-
1
a
: of, relating to, or produced by a volcano
a volcanic eruption
b
: made of materials from volcanoes
volcanic dust
2
: explosively violent
a volcanic rage

More from Merriam-Webster on volcanic

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!