Definitions of dark adaptation [ɑrk]

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Definition of 'dark adaptation'

Random House Webster's College Dictionary

1. (n.) dark adaptation
the reflex adjustment of the eye to dim light or darkness, consisting of a dilation of the pupil, an increase in the number of functioning rods, and a decrease in the number of functioning cones.

Etymology: (1905–10)

Definition of 'dark adaptation'

Princeton's WordNet

1. (noun) dark adaptation
the process of adjusting the eyes to low levels of illumination; cones adapt first; rods continue to adapt for up to four hours

Definition of 'dark adaptation'

U.S. National Library of Medicine

1. dark adaptation
Adjustment of the eyes under conditions of low light. The sensitivity of the eye to light is increased during dark adaptation.

'dark adaptation' - Nearby Entries
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"dark adaptation." Definitions.net. STANDS4 LLC, 2012. 31 May. 2012. http://www.definitions.net/definition/dark adaptation

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