-
- To save this word, you'll need to log in.
eruption
noun
erup·tion
i-ˈrəp-shən
1
a
: an act, process, or instance of erupting
b
: the breaking out of a rash on the skin or mucous membrane
2
: a product of erupting (such as a skin rash)
Synonyms
Examples of eruption in a Sentence
a great eruption of glee as it suddenly dawned on her that she had won
the eruption of the volcano Krakatoa was one of the most violent in global history
Recent Examples on the Web
Most associate Vesuvius with the 79 CE eruption that encased Pompeii in ash, preserving it for eternity.
—Francesca Aton, ARTnews.com, 28 Jan. 2025
In the days following the eruption of the Los Angeles fires, children called and texted their instructors at Jigsaw to make sure their favorite horses were doing okay.
—Charisma Madarang, Rolling Stone, 27 Jan. 2025
Rubin sheds light on dark energy Type Ia supernovas have been intrinsic to the concept of dark energy since 1998 when two separate teams of researchers used these white dwarf eruptions to determine that the universe was expanding at an accelerating rate.
—Robert Lea, Space.com, 27 Jan. 2025
This way, something like climate change was also simulated along other extreme events like volcanic eruptions or drought.
—Laura Baisas, Popular Science, 22 Jan. 2025
See all Example Sentences for eruption
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.
Word History
First Known Use
1555, in the meaning defined at sense 1a
Phrases Containing eruption
Dictionary Entries Near eruption
Cite this Entry
“Eruption.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eruption. Accessed 2 Feb. 2025.
Kids Definition
eruption
noun
erup·tion
i-ˈrəp-shən
1
: an act, process, or instance of erupting
2
: a product (as a skin rash) of erupting
Medical Definition
eruption
noun
erup·tion
i-ˈrəp-shən
1
: an act, process, or instance of erupting
the eruption of the tooth from the gum
specifically
: the breaking out of an exanthem or enanthem on the skin or mucous membrane (as in measles)
2
: something produced by an act or process of erupting: as
a
: the condition of the skin or mucous membrane caused by erupting
b
: one of the lesions (as a pustule) constituting this condition
More from Merriam-Webster on eruption
Nglish: Translation of eruption for Spanish Speakers
Britannica English: Translation of eruption for Arabic Speakers
Britannica.com: Encyclopedia article about eruption
Love words? Need even more definitions?
Merriam-Webster unabridged
Share