GRE Word List

ASTIGMATISM

a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image

The meaning of the word astigmatism is a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image.

Random words

WordMeaning
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vernacularusing a language or dialect native to a region or country rather than a literary, cultured, or foreign language
franticemotionally out of control
compassionsympathetic consciousness of others' distress together with a desire to alleviate it
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