NYCTALOPIA

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder

Synonyms:

moon blindness; night blindness; nyctalopia

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("nyctalopia" is a kind of...):

avitaminosis; hypovitaminosis (any of several diseases caused by deficiency of one or more vitamins)

vision defect; visual defect; visual disorder; visual impairment (impairment of the sense of sight)

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