radiant flux

noun Physics.

the time rate of flow of radiant energy.

Origin of radiant flux

First recorded in 1915–20

Words nearby radiant flux

radiant , radiant efficiency, radiant emittance, radiant energy, radiant exitance, radiant flux, radiant heat, radiant heating, radiant intensity, radiata, radiata pine

British Dictionary definitions for radiant flux

radiant flux

noun

the rate of flow of energy as radiation. It is measured in watts Symbol: Φ e