Word Pronunciation & Dictionary

astigmatism

/əˈstɪɡmətɪzm̩/

Word Rarity Very rare

Frequency: 2.45 in modern English

Syllables
astig-ma-tism
IPA
/əˈstɪɡmətɪzm̩/
16
Scrabble Score
11
Letters
5
Syllables
6
Unique Chars

Meaning

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.

Countable; Uncountable

noun

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.

Countable; Uncountable

Etymology

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

Origin

Word Breakdown

Regional Pronunciation

  • American English: /əˈstɪɡmətɪzm̩/

Usage

Inflected Forms

Derived Forms

Phrases

Frequently Paired Words

Synonyms

Rhymes With

Questions

How do you pronounce astigmatism?
The recorded pronunciation is /əˈstɪɡmətɪzm̩/.
What does astigmatism mean?
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.
Where does astigmatism come from?
It is traced to Ancient Greek.

How to pronounce astigmatism

  1. Open the pronunciation page — Open the Speakur entry for “astigmatism”.
  2. Read the phonetic spelling — Read the IPA spelling (/əˈstɪɡmətɪzm̩/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “astigmatism”.
  4. Repeat and practice — Say “astigmatism” aloud, matching stress and vowels until it feels natural.