雙曲正弦

hyperbolic sine or sinh (math.)

surname Shuang

two / double / pair / both / even (number)

hyperbola / hyperbolic (function)

surname Qu

bent / crooked / wrong

tune / song / CL:支[zhi1]

variant of 麴|曲[qu1]

yeast / Aspergillus (includes many common molds) / Taiwan pr. [qu2]

first month of the lunar year

straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

(math.) sine

bow string / string of musical instrument / watchspring / chord (segment of curve) / hypotenuse / CL:根[gen1]