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troland

noun
tro·​land | \ ˈtrō-lənd How to pronounce troland (audio) \

Definition of troland

: a unit of intensity of light at the retina equal to the illumination received per square millimeter of a pupillary area from a surface having a brightness of one candle per square meter

First Known Use of troland

1944, in the meaning defined above

History and Etymology for troland

after Leonard T. Troland †1932 American psychologist and physicist

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More Definitions for troland

troland

noun
tro·​land | \ ˈtrō-lənd How to pronounce troland (audio) \

Medical Definition of troland

: photon sense 1

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