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Definition tangent in British English

tangent noun

[countable] noun
/ˈtændʒ(ə)nt/
1

a straight line that touches the edge of a circle but does not pass through it

Synonyms and related words
2

in a right-angled triangle, the measurement of an acute angle that is equal to the length of the side opposite the angle divided by the length of the side between the angle and the right angle

Definition tangent in British English