rayleigh

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See also: Rayleigh

English[edit]

Etymology[edit]

For Lord Rayleigh, English physicist

Noun[edit]

rayleigh (plural rayleighs)

English Wikipedia has an article on:
Wikipedia
  1. (physics, astronomy) A unit of brightness (of the sky at night) equal to 1010/4π quanta per square meter per second per steradian
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