Longman Dictionary of Contemporary English homepage

median

1 noun
     
Related topics: Maths, Numbers, Measurement, Roads
me‧di‧an1 [countable]
1 American English also median stripTTR a narrow area of land that separates the two sides of a big road in order to keep traffic travelling in different directions apart [= central reservation British English]
2 technicalTM the middle number or measurement in a set of numbers or measurements that have been arranged in order
3 technicalHM a line passing from one of the points of a triangle to the centre of the opposite side

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