volcanonoun [ C ]
uk/vɒlˈkeɪ.nəʊ/us/vɑːlˈkeɪ.noʊ/plural volcanoes or volcanosB2 a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out:
an extinct/dormant volcano
an active volcano
Erupting volcanoes discharge massive quantities of dust into the stratosphere.
More examples
- The long-dormant volcano has recently shown signs of erupting.
- The pictures were an eloquent reminder of the power of the volcano.
- Since the volcano last erupted, many houses have been built in a dangerous position on its slopes.
- Lava from the volcano was flowing down the hillside.
- The dust from the volcano spread northward.
Thesaurus: synonyms and related words
Geology: earthquakes & volcanic eruptions
- active
- aftershock
- crater
- earthquake
- epicentre
- extinct
- fault line
- geyser
- lahar
- lava
- magma
- quake
- seismic
- seismograph
- seismology
- subduction
- the Richter scale
- tremor
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You can also find related words, phrases, and synonyms in the topics:
Geography: hills & mountains
volcanic
adjective uk/vɒlˈkæn.ɪk/us/vɑːlˈkæn.ɪk/
volcanic ash/activity/rock