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English definition of “line”

line

noun [C] (LONG MARK)   /lɑɪn/
a long , thin mark on the surface of something: Draw a straight line. You shouldn’t drive across the double yellow lines. As I grow older , lines and wrinkles show on my face . geometry A line is a row of points that continues in both directions and is usually represented by a long thin mark .
(Definition of line noun (LONG MARK) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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