- 双曲线 shuāngqūxiàn hyperbola(math) A curve formed by the intersection of a double cone with a plane that cuts both halves of the cone
- 双曲面 shuāngqūmiàn hyperboloid(math) hyperboloid
- 双曲余割 shuāngqūyúgē hyperbolic cosecantthe mathematical function cosech(x) or csch(x)
- 双曲余弦 shuāngqūyúxián hyperbolic cosinethe hyperbolic cosine function, often abbreviated as cosh in mathematics
- 双曲几何 shuāngqūjǐhé hyperbolic geometry
- 单叶双曲面 dānyèshuāngqūmiàn hyperboloid of one sheeta three-dimensional surface in mathematics shaped like a hourglass with a single connected piece
- 双曲拱桥 shuāngqūgǒngqiáo double-curvature arch bridgea type of arch bridge where the arch is composed of several curved ribs and arched shells to create a double-curvature structure
- 双曲正弦 shuāngqūzhèngxián hyperbolic sinehyperbolic sine or sinh in mathematics
- 双曲线正弦 shuāngqūxiànzhèngxián hyperbolic sinehyperbolic sine; the mathematical function sinh
- 双曲抛物面 shuāngqūpāowùmiàn hyperbolic paraboloid(geometry) hyperbolic paraboloid