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English definition of “mean”

mean

noun [S]     /miːn/
(also arithmetic mean) MEASURES the result you get by adding two or more amounts together and dividing the total by the number of amounts: The mean of 5, 4, 10, and 15 is 8.5.
a quality or way of doing something that is in the middle of two completely different qualities or ways of doing something: a mean between sth and sth This description doesn't give enough information, and this one is too long – we need to find a mean between the two.
(Definition of mean noun from the Cambridge Business English Dictionary © Cambridge University Press)
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