Translation guide
A reflective road stud or a gemstone with a chatoyant band. In Japanese, the English loanword is common for both meanings, but native terms exist for the road stud.
The small reflective device embedded in road surfaces to mark lanes or boundaries.
The most common term, borrowed directly from English. Used in everyday conversation and signage.
A gemstone, typically chrysoberyl, that exhibits a narrow band of reflected light resembling a cat's eye.
夜道でキャッツアイが光っていた。
The cat's-eyes were glowing on the night road.
A more technical term meaning 'road stud'. Used in official or engineering contexts.
高速道路には道路鋲が設置されている。
Road studs are installed on the expressway.
The standard term in jewelry and gemology, borrowed from English.
彼女はキャッツアイの指輪をはめている。
She is wearing a cat's-eye ring.
The native Japanese term, literally 'cat eye stone'. Less common than the loanword but understood.
猫目石はクリソベリルの一種です。
Cat's-eye is a type of chrysoberyl.