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
sanctimonioushypocritically pious or devout
indeterminatenot definitely or precisely determined or fixed : vague
quintessencethe fifth and highest element in ancient and medieval philosophy that permeates all nature and is the substance composing the celestial bodies
slitherto slide on or as if on a loose gravelly surface
orthodoxconforming to established doctrine especially in religion
turbidthick or opaque with or as if with roiled sediment
purgeto clear of guilt
travestya debased, distorted, or grossly inferior imitation
fancyto have a fancy (see fancy
compromisesettlement of differences by arbitration or by consent reached by mutual concessions