Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A chronic equine inflammatory eye disease.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The optical condition of night blindness: reduced eyesight in faint light.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Synonyms: none provided
Antonyms: none provided
noun
recurrent eye inflammation in horses; sometimes resulting in blindness
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: mooneye
Antonyms: none provided
Broader terms: animal disease
noun
inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: nyctalopia, night blindness
Antonyms: none provided
Broader terms: avitaminosis, hypovitaminosis, visual impairment, visual defect, vision defect, visual disorder
History
Once believed to be caused by exposure of the eyes to moonlight during sleep.
Across languages
2 source translations are retained for this English entry.
