IPA: /ʃəˈtɔɪəns/
KK: /chəˈtɔɪəns/
The optical phenomenon where a gemstone or other surface appears to have a band of light that moves across it, resembling the eye of a cat.
The ring featured a beautiful stone with chatoyance, making it look like it had a glowing line running through it.
Chatoyance is derived from the French word 'chatoyer', meaning to shimmer or to shine like a cat's eye. The term 'chat' in French means cat, and 'oyance' is a suffix indicating a state or quality. Therefore, chatoyance refers to the quality of having a shimmering, reflective appearance, reminiscent of a cat's eye.
Imagine a cat's eye shimmering in the light — that's what chatoyance means, reflecting a quality of shine and shimmer.
No commonly confused words.