dark adaptation

dark ad·ap·ta·tion

D d

Transcription

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [dahrk ad-uh p-tey-shuh n]
- /dɑrk ˌæd əpˈteɪ ʃən/
- /dɑːk ˌæd.əpˈteɪ.ʃən/

- US Pronunciation
- US IPA
- [dahrk ad-uh p-tey-shuh n]
- /dɑrk ˌæd əpˈteɪ ʃən/

Definitions of dark adaptation words

noun dark adaptation the adaptation of the eye to vision in the dark by dilation of the pupil, increased sensitivity of the retina, etc. 3
noun dark adaptation the reflex adaptation of the eye to dim light, consisting of a dilatation of the pupil and an increase in the number of functioning rods accompanied by a decrease in the number of functioning cones (opposed to light adaptation). 1

See all 2 definitions of dark adaptation

Information block about the term

Origin of dark adaptation

First appearance:

before 1905

One of the 15% newest English words

First recorded in 1905-10

Historical Comparancy

Parts of speech for Dark adaptation

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Dark adaptation

dark adaptation popularity

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

dark adaptation usage trend in Literature

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Synonyms for dark adaptation

noun dark adaptation

night vision — ability to see at night or in a dim light.
scotopia — vision in dim light (opposed to photopia).

All 4 Synonyms of dark adaptation

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