Transcription
-
- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
-
- [uh-stig-muh-tiz-uh m]
- /əˈstɪg məˌtɪz əm/
- /əˈstɪɡ.mə.tɪ.zəm/
-
- US Pronunciation
- US IPA
-
- [uh-stig-muh-tiz-uh m]
- /əˈstɪg məˌtɪz əm/
Definitions of astigmatism word
- uncountable noun astigmatism If someone has astigmatism, the front of their eye has a slightly irregular shape, so they cannot see properly. 3
- noun astigmatism a defect of a lens resulting in the formation of distorted images; caused by the curvature of the lens being different in different planes 3
- noun astigmatism faulty vision resulting from defective curvature of the cornea or lens of the eye 3
- noun astigmatism an irregularity in the curvature of a lens, including the lens of the eye, so that light rays from an object do not meet in a single focal point, resulting in an indistinct or distorted image 3
- noun astigmatism distorted view or judgment, as because of bias 3
- noun astigmatism Optics. an aberration of a lens or other optical system in which the image of a point is spread out along the axis of the system. 2
Information block about the term
Origin of astigmatism
First appearance:
before 1840 One of the 33% newest English words
First recorded in 1840-50; astigmat(ic) + -ism
Historical Comparancy
Parts of speech for Astigmatism
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
astigmatism popularity
A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 65% of English native speakers know the meaning and use word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".
astigmatism usage trend in Literature
This diagram is provided by Google Ngram ViewerSynonyms for astigmatism
noun astigmatism
- blindness — unable to see; lacking the sense of sight; sightless: a blind man.
Top questions with astigmatism
- what is astigmatism?
- what is an astigmatism?
- what cause astigmatism?
- what causes astigmatism?
- how does astigmatism affect vision?
- what does astigmatism mean?
- what is astigmatism of the eye?
- what is a astigmatism?
- what visual problem is created by astigmatism?
- how bad is my astigmatism?
- how to correct astigmatism?
- what is an astigmatism in the eye?
- what does astigmatism look like?
- what is astigmatism in the eye?
- how to fix astigmatism?
See also
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