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
stampto pound or crush with a pestle or a heavy instrument
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encomiasticone that praises : eulogist
sporadicoccurring occasionally, singly, or in irregular or random instances
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