Dictionary

astigmatism

noun astig·ma·tism \ə-ˈstig-mə-ˌti-zəm\

medical : a problem with the eye that prevents a person from seeing clearly

Full Definition of ASTIGMATISM

1
:  a defect of an optical system (as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image
2
:  a defect of vision due to astigmatism of the refractive system of the eye and especially to corneal irregularity
3
:  distorted understanding suggestive of the blurred vision of an astigmatic person

First Known Use of ASTIGMATISM

1846

Rhymes with ASTIGMATISM

absenteeism, absolutism, abstractionism, adventurism, aestheticism, Afrocentrism, agnosticism, alcoholism, amateurism, anabaptism, anachronism, Anglicanism, animalism, antagonism, Arianism, athleticism, automatism, behaviorism, Big Brotherism, bilingualism, Bonapartism, cannibalism, capitalism, Cartesianism, Catholicism, charlatanism, collectivism, commercialism, communalism, Confucianism, conservatism, constructivism, consumerism, corporatism, creationism, determinism, do-nothingism, eclecticism, ecotourism, ecumenism, egocentrism, empiricism, epicurism, eroticism, essentialism, ethnocentrism, evangelism, exoticism, expansionism, expressionism, Fabianism, factionalism, fanaticism, favoritism, federalism, Fenianism, feuilletonism, Fourierism, fraternalism, Freudianism, funambulism, functionalism, hermeticism, Hispanicism, historicism, hooliganism, illiberalism, illusionism, impressionism, infantilism, inflationism, initialism, insularism, irredentism, Jacobinism, Keynesianism, know-nothingism, lesbianism, liberalism, libertinism, literalism, Lutheranism, Lysenkoism, magic realism, malapropism, mercantilism, messianism, metabolism, metamorphism, militarism, minimalism, monasticism, monotheism, mutualism, naturalism, Naziritism, negativism, neologism, neo-Nazism, neorealism, nominalism, nonconformism, objectivism, obscurantism, obstructionism, opportunism, pacificism, parallelism, pastoralism, paternalism, patriotism, Peeping Tomism, perfectionism, photo-realism, plebeianism, polytheism, positivism, postmodernism, primitivism, progressivism, protectionism, Protestantism, provincialism, puritanism, radicalism, rationalism, recidivism, reductionism, regionalism, relativism, revisionism, revivalism, ritualism, romanticism, salvationism, sansculottism, scholasticism, sectionalism, secularism, separatism, serialism, Slavophilism, somnambulism, Stakhanovism, structuralism, subjectivism, teetotalism, theocentrism, triumphalism, Uncle Tomism, ventriloquism, vigilantism, workaholism

astigmatism

noun astig·ma·tism \ə-ˈstig-mə-ˌtiz-əm\   (Medical Dictionary)

Medical Definition of ASTIGMATISM

1
:  a defect of an optical system (as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image
2
:  a defect of vision due to astigmatism of the refractive system of the eye and especially to corneal irregularity—compare emmetropia, myopia

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