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
circumspectcareful to consider all circumstances and possible consequences : prudent
rejuvenateto make young or youthful again : give new vigor to
seismicof, subject to, or caused by an earthquake
verbiagea profusion of words usually of little or obscure content
obstreperousmarked by unruly or aggressive noisiness : clamorous
commonwealtha nation, state, or other political unit: such as
plauditan act or round of applause
purgatoryan intermediate state after death for expiatory purification
amendto put right
indecisivemarked by or prone to indecision : irresolute