Word.ws English Dictionary

astigmatism

/əˈstɪɡmətɪzm̩/

astigmatism noun: 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.

astigmatism: a defect of a lens such that light rays coming from a point do not meet at a focal point so that...
Image: BruceBlaus, CC BY-SA 4.0, via Wikimedia Commons

Noun

astigmatism (countable and uncountable, plural astigmatisms)

  1. 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.
  2. 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.

astigmatism meaning in Tamil, Kannada, Arabic and Malay

astigmatism in Tamil

சிதறல் பார்வை, ஏணற்பார்வை, உருப்பிறழ்ச்சி, புள்ளிக்குவியமில்குறை, புள்ளிதோன்றாமை, உருட்சிப் பிழை

astigmatism in Kannada

ಅಸಮದೃಷ್ಟಿ, ದೃಷ್ಟಿದೋಷ

astigmatism in Arabic

defect of a lens
لَابُؤْرِيّة lābuʔriyya, اللَانُقَطِيَّة al-lānuqaṭiyya

astigmatism in Malay

defect of a lens
astigmatisme
More languagesFewer languages
astigmatism in Indonesian
astigmatisme
astigmatism in Thai
สายตาเอียง sǎai-dtaa-iiang

Synonyms of astigmatism

Forms of astigmatism

pluralastigmatisms

Origin of astigmatism

From a- (negative prefix) + stem of Ancient Greek στίγμα (stígma, “mark, point”) + -ism. Coined by English polymath William Whewell in 1846.

Words formed from astigmatism

Questions about astigmatism

What does astigmatism mean?
Astigmatism means 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.
What is astigmatism in Tamil?
Astigmatism in Tamil is சிதறல் பார்வை, ஏணற்பார்வை, உருப்பிறழ்ச்சி. See Astigmatism meaning in Tamil.
What part of speech is astigmatism?
Astigmatism is a noun.
How do you pronounce astigmatism?
Astigmatism is pronounced /əˈstɪɡmətɪzm̩/ (US).
What is the plural of astigmatism?
The plural of astigmatism is astigmatisms.

Words near astigmatism in the dictionary

  1. astigmatical
  2. astigmatically
  3. astigmatics
  4. astigmatid
  5. astigmatids
  6. astigmatism
  7. astigmatisms
  8. astigmatizer
  9. astigmatizers
  10. astigmats
  11. astigmia

Source and license

Adapted from Wiktionary: astigmatism (page history and authors); astigmatism (Tamil Wiktionary) (page history and authors); astigmatism (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Wodencafe-astigmatism.wav.

Cite this entry: “astigmatism.” Word.ws, https://word.ws/astigmatism. Based on Wiktionary, CC BY-SA 4.0.