Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A visual defect characterized by the inability to see as clearly in bright light as in dim light.
Century Dictionary and Cyclopedia
- n. In pathology, a defect of sight in consequence of which distinct vision is possible only in artificial or dim light; day-blindness. The term is also used, however, to express exactly the opposite defect of vision. See nyctalopia.
Wiktionary
- n. medicine The inability to see clearly in bright light; day blindness
GNU Webster's 1913
- n. (Med.) A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight.
WordNet 3.0
- n. inability to see clearly in bright light
Etymologies
- New Latin, from Greek hēmeralōps, suffering from hemeralopia : hēmera, day + alaos, blind + ōps, eye; see nyctalopia. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
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Lists
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250 Extra Spelling Words
Some more words for intermediate and advanced spellers.
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phrontistery - h
from phrontistery.info
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
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Most Obscure Words
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Just 'cause I like 'em, H
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C. S. Bird – Grandiloquent Dictionary
All the words from the Grandiloquent Dictionary.
946 of these 2700 words do not yield any results in six different dictionaries, hence many of them might be misspellings.
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science talk.
even scientists have to use words instead of numbers, sometimes.
retrograde, pseudostratified ..., myotoxin, elliptical, compound fracture, cardiovascular, gravity, spherical, inflammatory, sexually dimorphic, hemoglobin, autocrine and 4 more...
Tweets
Looking for tweets for hemeralopia.
qroqqa An autantonym, for those of you who collect 'em. This contains the element -al- "blind", so properly means "blindness by day"; but this element was neglected and it was treated as "seeing by day", synonymous with 'nyctalopia' "blindness by night". Except that the -al- was sometimes ignored in that too, so 'nyctalopia' was also used for "seeing by night". Aug 20, 2008