Blue Light (noun) Definition, Meaning & Examples

noun
  1. a band of the visible light spectrum that has a shorter wavelength and produces higher energy than other colors of light: occurring in sunlight and emitted by electronic devices that use LED technology.
  2. a member of a faction of the American Federalist party considered disloyal for opposing the War of 1812: so called from the claim that they flashed blue light signals to alert the British to the presence of blockade runners.
Blue Light (noun) Definition, Meaning & Examples

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