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English definition of “peak”

peak

noun [C]     /piːk/
HIGHEST LEVEL B2 the highest level or value of something: Here we see an athlete at the peak of fitness . The price of gold reached its peak during the last recession . peak travel times Higher and lower points of achievementSuccess and achievementsFailures
MOUNTAIN TOP B1 the top of a mountain , or the mountain itself: snow-covered/ mountain peaks Edges and extremities of objectsSurfaces of objectsHills and mountains
(Definition of peak noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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