How do you say flint in Chinese?
— 燧石; 燧石

Generic synonyms for flint in Chinese
city城市 (chéngshì), 城 (chéng)
river河 (hé), 江 (jiāng), 河流 (héliú), 水流 (shuǐliú), 川 (chuān)
Derivative terms for flint in Chinese
stone石頭, 石头 (shítou)