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
elysianof or relating to Elysium
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accessoryan object or device that is not essential in itself but adds to the beauty, convenience, or effectiveness of something else
allocateto apportion for a specific purpose or to particular persons or things : distribute
surveillanceclose watch kept over someone or something (as by a detective)
noncommittalgiving no clear indication of attitude or feeling
verbatimin the exact words : word for word
dauntlessincapable of being intimidated or subdued : fearless
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concisemarked by brevity of expression or statement : free from all elaboration and superfluous detail