luminous intensity

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lu·mi·nous in·ten·si·ty (I),

the luminous flux per unit solid angle in a given direction.

lu·mi·nous in·ten·si·ty

(I) (lū'mi-nŭs in-ten'si-tē)
The luminous flux per unit solid angle in a given direction.
Synonym(s): radiant intensity.

intensity, luminous

Quotient of the luminous flux leaving the source, propagated in an element of solid angle containing the given direction, divided by the element of solid angle. Symbol: I. Unit: candela (CIE).
References in periodicals archive ?
Who's Tardis being driven by a gallon of paraffin, or by candle-power, but who needs the Time Lord when you've got a chandler's where the smells and the products combine to somehow fashion a perfect mental picture of your old granddad, who seemed to have this ability to make and mend everything under the sun.