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
| Word | Meaning |
|---|---|
| dispirited | to deprive of morale or enthusiasm |
| dubious | unsettled in opinion : doubtful |
| breadth | distance from side to side : width |
| orator | one who delivers an oration |
| dyspeptic | indigestion |
| facsimile | an exact copy |
| inkling | a slight knowledge or vague notion |
| cession | a yielding to another : concession |
| antithesis | the direct opposite |
| austere | stern and cold in appearance or manner |