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English definition of “depth”

depth

noun (DISTANCE DOWN)    /depθ/
B1 [C or U] the distance down either from the top of something to the bottom , or to a distance below the top surface of something: the depth of a lake / pond There are very few fish at depths (= distances below the surface ) below 3,000 metres . The river froze to a depth of over a metre .Measurements in general the depths [plural] literary the lowest part of the sea : The ship sank slowly to the depths of the ocean .Seas and oceans Grammar:MeasurementsGrammar:Area: length, width, depth and heightWe use the nouns length, width, depth and height and the adjectives long, wide, deep and high to talk about area and size:Grammar:Weight and volumeWe use the verb weigh to measure weight:Grammar:Frequency, speed, timeWe use many different expressions to describe frequency, speed and time. Here are some of them:
(Definition of depth noun (DISTANCE DOWN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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