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
extrudeto force, press, or push out
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quarrygame
paradigmexample
chideto speak out in angry or displeased rebuke
kindredof a similar nature or character : like
expletivea syllable, word, or phrase inserted to fill a vacancy (as in a sentence or a metrical line) without adding to the sense
unimpeachablenot impeachable: such as
pivotalof, relating to, or constituting a pivot