the time rate of flow of radiant energy.
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- radiant ,
- radiant efficiency,
- radiant emittance,
- radiant energy,
- radiant exitance,
- radiant heat,
- radiant heating,
- radiant intensity,
Origin of radiant flux
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the rate of flow of energy as radiation. It is measured in wattsSymbol: Φ e
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012