Definitions for eigengrau

This page provides all possible meanings and translations of the word eigengrau

Wiktionary

  1. eigengrau(Noun)

    The dark grey colour seen by the eyes in perfect darkness, as a result of signals from the optic nerves.

  2. Origin: From German Eigengrau ‘intrinsic grey’.

Freebase

  1. Eigengrau

    Eigengrau, also called Eigenlicht, dark light, or brain gray, is the color seen by the eye in perfect darkness. Even in the absence of light, some action potentials are still sent along the optic nerve, causing the sensation of a uniform dark gray color. Eigengrau is perceived as lighter than a black object in normal lighting conditions, because contrast is more important to the visual system than absolute brightness. For example, the night sky looks darker than eigengrau because of the contrast provided by the stars. Eigengrau can be controlled consciously and turned into shapes such as circles and crosses.

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"eigengrau." Definitions.net. STANDS4 LLC, 2014. Web. 21 Dec. 2014. <http://www.definitions.net/definition/eigengrau>.

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