Englishfor English speakers
tangent
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noun
a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
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noun
ratio of the opposite to the adjacent side of a right-angled triangle
sex
Noun
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Sex is an act done by a male and a female (in this case there is sometimes an intent to make babies) or with just two men or women.
Most men in our survey say they definitely would not have sex with a new partner without using a condom.