English Reference

Word

eruption

Phoneticserup·tion

US/ˌiˈɹəpʃən/

UK/ɪɹˈʌpʃən/

Definitions

01volcanic activity

B2 · Upper Intermediate Countable noun Science

n. the moment when a volcano throws out hot lava, ash, and gas.

n. the sudden and violent ejection of volcanic material, such as lava, tephra, and gases, from a vent in the Earth's crust.

“The massive eruption of the volcano forced thousands of people to leave their homes.”

“Geologists monitored the seismic activity for weeks, yet the eventual eruption was more powerful than any of their models had predicted.”

02sudden noise or emotion

B2 · Upper Intermediate Countable noun

n. a sudden, loud burst of noise or a strong showing of feeling.

n. a sudden and violent outbreak of noise, activity, or emotion from a person or group.

“An eruption of laughter filled the room after he told the joke.”

“The referee's controversial decision triggered an immediate eruption of anger from the home crowd, leading to a brief delay in the match.”

Antonyms

03skin rash

C1 · Advanced Countable noun Medicine Technical

n. a sudden appearance of spots or a rash on your skin.

n. the sudden appearance of a rash, spots, or other lesions on the skin, often as a symptom of an underlying infection.

“The doctor examined the red eruption on the child's arm to see if it was an allergy.”

“The patient presented with a painful eruption of small blisters across the torso, characteristic of a viral infection.”

Real-World Examples

“Mount Etna’s eruption led to the cancellation of more than a third of the 1,974 flights between Thursday of last week and Wednesday of this week.”
Al Jazeera 14 Aug 2026
“A leading theory for the source of that carbon dioxide involves volcanic eruptions.”
The Conversation 13 Aug 2026
“Such clues can include ancient eruption deposits, volcanic craters, rising or sinking ground, and escaping gases.”
ScienceDaily 5 Aug 2026
“The results provide new insight into a long-running scientific question about how magma's temperature history affects crystallization before and during an eruption.”
ScienceDaily 1 Aug 2026

Etymology

From Middle French éruption, from Latin eruptio.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

eruption(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference