vol‧ca‧no /vɒlˈkeɪnəʊ $ vɑːlˈkeɪnoʊ/ noun (plural volcanoes or volcanos) [countable]
[Date: 1600-1700; Language: Italian; Origin: vulcano, from Latin Vulcanus 'Vulcan']
a mountain with a large hole at the top, through which lava (=very hot liquid rock) is sometimes forced out:
Pompei was destroyed when the volcano erupted in 79 AD.
active volcano (=one that may explode at any time)
dormant volcano (=one that is not active at the moment)
extinct volcano (=one that is no longer active at all)

[TahlilGaran] Dictionary of Contemporary English ▲

volcano
noun
ADJ. active, dormant, extinct
QUANT. chain
VOLCANO + VERB erupt An active volcano may erupt at any time.

[TahlilGaran] Collocations Dictionary ▲

volcano

a volcano erupts (=it sends smoke, fire, and rock into the sky)
The volcano last erupted 50 years ago.
active (=it may erupt at any time)
Mount Etna is still an active volcano.
dormant (=it has not erupted for a long time)
Volcanoes can remain dormant for hundreds of years.
extinct (=it does not erupt any more)
The lake is at the foot of an extinct volcano.

[TahlilGaran] Collocations Dictionary ▲

mountain a very high hill:
the highest mountain in Austria
hill an area of land that is higher than the land around it, which is like a mountain but smaller and usually has a rounded top:
We went for a walk in the hills.
The house is surrounded by woods, farmland and gentle hills.
Mount (also Mt written abbreviation) used in the names of mountains. Don’t say ‘Fuji Mountain’ – say ‘Mount Fuji’:
Mount Everest
cliff the steep side of an area of land, often next to the sea:
the white cliffs of Dover
precipice especially literary a very steep and dangerous cliff:
They were standing on the edge of a precipice.
crag a high steep rock or mountain:
An eagle sailed over the high crags.
ridge a long narrow area of high ground, especially at the top of a mountain:
I could see a group of climbers high up on a ridge.
knoll a small round hill:
a grassy knoll
volcano a mountain with a large hole at the top, through which lava (=hot liquid rock) is sometimes forced out:
the eruption of a volcano
summit the very highest point of a mountain:
the summit of Mt Everest
peak especially literary the top of a mountain:
the snow-covered peaks of the Himalayas
a distant peak
range/chain a group of mountains or hills arranged in a line:
the mountain range that is part of the border between Norway and Sweden
foothills a group of smaller hills below a range of high mountains:
the Sierra foothills

[TahlilGaran] English Thesaurus ▲

volcano
vɔlˈkeɪnəu
See: sit on a volcano

[TahlilGaran] English Idioms Dictionary ▲