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Comprehensive
Dictionary Suite
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cusp in geometry and architecture, the point at which two curves become tangent. [1/3 definitions]
osculate to be tangent; touch. [1/2 definitions]
tangent a tangent line or plane. [1/5 definitions]
tangential of, similar to, or positioned or moving in the direction of a tangent. [1/3 definitions]
trigonometric function a function, such as sine, cosine, or tangent, expressed as the ratio of different sides of a right triangle.