| 单词 | dark adaptation |
| 释义 | dark adaptation in American English the adaptation of the eye to vision in the dark by dilation of the pupil, increased sensitivity of the retina, etc. Derived forms dark-adapted (ˈdark-aˈdapted) adjective dark adaptation in American Englishnoun Ophthalmology the reflex adaptation of the eye to dim light, consisting of a dilatation of the pupil and an increase in the number of functioningrods accompanied by a decrease in the number of functioning cones (opposed to light adaptation) Derived forms dark-adapted adjective Word origin [1905–10]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: aspect ratio, cadre, jazz, thiamine, white listExamples of 'dark adaptation' in a sentence |
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