candela

Meaning

In the International System of Units, the base 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

Pronounced as (IPA)
/kænˈdɛlə/
Etymology

Borrowed from Latin candēla (“candle”). Doublet of candle and chandelle.

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