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
dumbfoundto confound (see confound
dioramaa scenic representation in which a partly translucent painting is seen from a distance through an opening
beneficialproducing good results or helpful effects : conferring benefits (see benefit
guisea form or style of dress : costume
residuesomething that remains after a part is taken, separated, or designated or after the completion of a process : remnant
moresthe fixed morally binding customs of a particular group
detainto hold or keep in or as if in custody
hiatusa break in or as if in a material object : gap
imperceptiblenot perceptible by a sense or by the mind : extremely slight, gradual, or subtle
ingenuea naive girl or young woman