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Volcanos

active

adjective

an active volcano is likely to erupt (=explode and pour out fire) at any time. When a volcano no longer does this, it is extinct.

crater

noun

the round hole at the top of a volcano

dormant

adjective

something that is dormant is not active or developing now, but it may become active or develop in the future

erupt

verb

if a volcano erupts, it explodes inside and flames, rocks, and lava come out of the top

extinct

adjective

an extinct volcano no longer erupts

inactive

adjective

an inactive volcano is not dangerous because it can no longer erupt

lava

noun

rock in the form of hot liquid

lava

noun

the solid rock that forms when liquid lava becomes cold

vent

noun

a hole in the Earth’s surface through which lava or gas comes out

volcanic

adjective

coming from or connected with a volcano

volcano

noun

a mountain that forces hot gas, rocks, ash, and lava (=melted rock) into the air through a hole at the top. Some volcanoes are not immediately dangerous because they are not active and have become dormant. Others will never be dangerous again because they are completely extinct

dormancy

noun

eruption

noun

hostile architecture

the design of buildings or public spaces in a way which discourages people from touching, climbing or sitting on them …

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boots on the ground

a situation in which a country's armed forces are physically present in an area of conflict …

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