Meaning of GRADIENT in English

GRADIENT

/ ˈgreɪdiənt; NAmE / noun

1.

(also grade especially in NAmE ) the degree to which the ground slopes, especially on a road or railway :

a steep gradient

a hill with a gradient of 1 in 4 (or 25%)

2.

( technical ) the rate at which temperature, pressure, etc. changes, or increases and decreases, between one region and another

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WORD ORIGIN

mid 19th cent.: from grade , on the pattern of salient .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.