Englishfor English speakers
nuclear
Adjective
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Nuclear weapons, power, waste, etc. is produced by the collision of more than one nucleus, the central part of an atom.
Japan relies mainly on nuclear power (atomic energy) generation for its energy needs.
The US has more nuclear weapons than any other country. Many of them are called atomic bombs.
Most Canadians live in a nuclear family: the husband, wife, and children.
accident
Noun
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An accident is something that happens without a plan, usually something bad.
I dropped the glass by accident and it broke.
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An accident is a vehicle crash.
Two people were hurt in a road traffic accident between a car and a motorcycle last night.