cat's eye

or cat's-eye

[ kats-ahy ]

Phonetic (Standard)IPA

noun

, plural cat's eyes, cat's-eyes.

cat's-eye

any of a group of gemstones, esp a greenish-yellow variety of chrysoberyl, that reflect a streak of light when cut in a rounded unfaceted shape
Also calledataata a grazing marine gastropod, Turbo smaragdus , of New Zealand waters

First recorded in 1545–55

The illumination of a Cats eye in the dark arises from the external light collected on the eye and reflected from it.

Cats-eye or Sun-stone of the Turks is a kind of gem found chiefly in Siberia.

The Gem Cats Eye is so called because it possesses the peculiar ray of light or glisten seen in a cats eye in the dark.

G, Gear: actuates cats-eye shutter, which controls amount of light admitted to right half of instrument.

Browse