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
interloperone that interlopes: such as
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jocosegiven to joking : merry
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chaperona person (such as a matron) who for propriety (see propriety
flayto strip off the skin or surface of : skin
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providentfrugal