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English definition of “mountain”

mountain

noun [C] uk   /ˈmaʊn.tɪn/ us    /-tən/

mountain noun [C] (VERY LARGE HILL)

A2 a raised part of the Earth's surface, much larger than a hill, the top of which might be covered in snow: The Matterhorn is one of the biggest mountains in Europe. The Rockies are a mountain chain/range in the western USA. I'd love to go mountain-climbing. We're going to the mountains (= an area where there are mountains) for our holiday.

mountain noun [C] (LARGE AMOUNT)

UK a large amount of food that is stored instead of being sold, so that prices for it do not fall: a grain mountain a mountain of sth C2 a large amount of something: I've got a mountain of work to do.
(Definition of mountain from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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