the branch of optics dealing with the formation of images by mirrors.
(functioning as sing) the branch of optics concerned with reflection, esp the formation of images by mirrors
n. “divination by means of a mirror,” 1610s, from Latinized comb. form of Greek katoptron “mirror” (see catoptric) + -mancy. Historical Examples
New England. a noisy disturbance; commotion. Historical Examples
- Cats and dogs
noun phrase Low-priced stocks, such as those returning no dividends at all (1870s+ Stock market) Related Terms rain cats and dogs
noun a one-piece usually close-fitting trouser suit n. also cat-suit, 1960, from cat (n.) + suit (n.). noun A tight-fitting garment covering the entire body: Michelle is wearing a skintight black catsuit and short high-heeled boots [1990s+; Perhaps suggested by the seeming-epidermal garb of a character named Catwoman, played by Julie Newmar in the 1970s […]