astigmatism
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English
[edit]Etymology
[edit]From a- (negative prefix) + stem of Ancient Greek στίγμα (stígma, “mark, point”) + -ism. Coined by English polymath William Whewell in 1846.
Pronunciation
[edit]Noun
[edit]astigmatism (countable and uncountable, plural astigmatisms)
- (optics) A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.
- (pathology) A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.
Synonyms
[edit]Derived terms
[edit]Related terms
[edit]Translations
[edit]defect of a lens
|
disorder of the vision
|
See also
[edit]Further reading
[edit]- astigmatism on Wikipedia.Wikipedia
Romanian
[edit]Etymology
[edit]Borrowed from French astigmatisme. By surface analysis, astigmat + -ism.
Noun
[edit]astigmatism n (uncountable)
Declension
[edit] declension of astigmatism (singular only)
singular | ||
---|---|---|
n gender | indefinite articulation | definite articulation |
nominative/accusative | (un) astigmatism | astigmatismul |
genitive/dative | (unui) astigmatism | astigmatismului |
vocative | astigmatismule |
Swedish
[edit]Noun
[edit]astigmatism c
Declension
[edit]Declension of astigmatism | ||||
---|---|---|---|---|
Uncountable | ||||
Indefinite | Definite | |||
Nominative | astigmatism | astigmatismen | — | — |
Genitive | astigmatisms | astigmatismens | — | — |
See also
[edit]- brytningsfel (“refractive error”)
References
[edit]Categories:
- English terms prefixed with a-
- English terms derived from Ancient Greek
- English terms suffixed with -ism
- English terms coined by William Whewell
- English coinages
- English 5-syllable words
- English terms with IPA pronunciation
- English terms with audio pronunciation
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- en:Optics
- en:Pathology
- Romanian terms borrowed from French
- Romanian terms derived from French
- Romanian terms suffixed with -ism
- Romanian lemmas
- Romanian nouns
- Romanian uncountable nouns
- Romanian neuter nouns
- Swedish lemmas
- Swedish nouns
- Swedish common-gender nouns
- sv:Optics
- sv:Pathology