Dictionary
dark adaptation
noun
Definition of DARK ADAPTATION
: the process including dilation of the pupil, increase in sensitivity of the retinal rods, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination
— dark–adapt·ed \ˌdärk-ə-ˈdap-təd\ adjective
ADVERTISEMENT
First Known Use of DARK ADAPTATION
1900
Medical Dictionary
dark adaptation
noun \ˌdärk-\
Medical Definition of DARK ADAPTATION
: the phenomena including dilation of the pupil, increase in retinal sensitivity, shift of the region of maximum luminosity toward the blue, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination—compare light adaptation
—dark–adapt·ed \ˈdärk-ə-ˌdap-təd\ adjective
Learn More About DARK ADAPTATION
Browse
Next Word in the Dictionary: dark agePrevious Word in the Dictionary: dark All Words Near: dark adaptation
ADVERTISEMENT
Seen & Heard
What made you want to look up dark adaptation? Please tell us where you read or heard it (including the quote, if possible).