WordReference Random House Unabridged Dictionary of American English © 2024can•de•la (kan dē′lə),USA pronunciation n. [Optics.]- Opticsa unit of luminous intensity, defined as the luminous intensity of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity of 1/683 watt/steradian: adopted in 1979 as the international standard of luminous intensity. Abbr.: Cd
Collins Concise English Dictionary © HarperCollins Publishers::
candela /kænˈdiːlə -ˈdeɪlə/ n - the basic SI unit of luminous intensity; the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of ( 1⁄683) watt per steradian
Symbol: cd
Etymology: 20th Century: from Latin: candle Collins Concise English Dictionary © HarperCollins Publishers::
Candela /kænˈdiːlə/ n - Felix. 1910–97, Mexican architect, noted for his naturalistic modern style and thin prestressed concrete roofs