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
knella stroke or sound of a bell especially when rung slowly (as for a death, funeral, or disaster)
perjurythe voluntary violation of an oath or vow either by swearing to what is untrue or by omission to do what has been promised under oath : false swearing
bruisean injury involving rupture of small blood vessels and discoloration without a break in the overlying skin : contusion
deducibleto determine by reasoning or deduction
indulgentwilling to allow excessive leniency, generosity, or consideration : indulging or characterized by indulgence
disdaina feeling of contempt for someone or something regarded as unworthy or inferior : scorn
scadany of several carangid fishes (especially of the genus Decapterus)
whiffa quick puff or slight gust especially of air, odor, gas, smoke, or spray
abateto decrease in force or intensity
masona skilled worker who builds by laying units of substantial material (such as stone or brick)