Login Preferences
About News Publications Statistics Downloads API Guide License How to use Preferences
bn:00006620n
Noun Concept
Categories: Geometrical optics
EN
astigmatism  astigmia  Astigamatic  astigmatic  Astygmatism
EN
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point WordNet 3.0
English:
optics
Definitions
Relations
Sources
EN
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point WordNet 3.0 & Open English WordNet
An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. Wikipedia
Refractive error in optics Wikidata
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. Wiktionary
Defect of a lens. Wiktionary (translation)
IS A
condition
HAS KIND
astigmatism
ANTONYM
stigmatism
CATEGORY DOMAIN
optics
DERIVATION
astigmatic
DIFFERENT FROM
astigmatism
FACET OF
optics
WordNet 3.0 & Open English WordNet
EN
astigmatism, astigmia
Wikipedia
EN
astigmatism (optical systems)
Wikidata
EN
Astigmatism
Wiktionary
EN
astigmatism
Wikipedia Redirections
EN
Astigamatic, astigmatic, Astigmatism (optics), Astygmatism

Please note that, in order to improve your browsing experience on this website, BabelNet® uses various types of cookies, including: browsing functionality, performance and statistical cookies.

By continuing to browse the site you are agreeing to our use of cookies. OK

License