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gradient

noun
🔊/ˈɡreɪdiənt/
🔊/ˈɡreɪdiənt/
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  1. (also grade especially in North American English)
     a slope on a road or railway; the degree to which the ground slopes（尤指公路或铁路的）坡度，斜率，倾斜度
    • The route includes some steep gradients.该路线包括一些陡峭的坡度。
    • a hill with a gradient of 1 in 4 (or 25 per cent)倾斜度为 1:4（或 25%）的小山
    Extra Examples
    • The road has a fairly steep gradient.这条路坡度相当大。
    • The field was on a slight gradient.场地在一个缓坡上。
    • The hill has a gradient of 1 in 4 (or 25%).这个山坡的倾斜度是1:4，即25%。
    • The line here is on a steep gradient climbing towards Merstham Tunnel.这段铁路线要爬个陡坡才能到达默斯瑟姆隧道。
    Topics Transport by bus and trainc1, Transport by car or lorryc1, Geographyc1
    Oxford Collocations Dictionaryadjective
    • steep
    • gentle
    • slight
    • …
    verb + gradient/​grade
    • have
    preposition
    • on a gradient
    See full entry
  2. (specialist) the rate at which temperature, pressure, etc. changes, or increases and decreases, between one region and another（温度、压力等的）变化率，梯度变化曲线
    3. Word Originmid 19th cent.: from grade, on the pattern of salient.