Longman Dictionary of Contemporary English homepage

surge

2 noun
     
surge2 [countable usually singular]
1

a surge of something

a sudden, large increase in a feeling:
a surge of excitement
2 a sudden increase in amount or number
surge in/of
a surge in food costs
a surge of reporters' interest in his finances
3 a sudden movement of a lot of people
surge of
a surge of refugees into the country
4 a sudden quick movement of a liquid, electricity, chemical etc through something:
a device that protects your computer against electrical surges

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