Definition of phot in English:

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phot

Pronunciation: /fōt/

noun

A unit of illumination equal to one lumen per square centimeter.
Example sentences
  • A centimeter- candle is a phot.
  • Select this table to convert between different units such as lux, flame, phot, nox, lumen/square meter, meter-candle, and more.

Origin

Early 20th century: from Greek phōs, phōt- 'light'.

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