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 |
|---|---|
| insubstantial | not substantial: such as |
| disburse | to pay out : expend especially from a fund |
| revulsion | a strong pulling or drawing away : withdrawal |
| smirk | to smile in a smug or condescending way |
| belie | to give a false impression of |
| ramble | to move aimlessly from place to place |
| hereafter | after this in sequence or in time |
| defect | an imperfection or abnormality that impairs quality, function, or utility : shortcoming |
| surly | menacing or threatening in appearance |
| encumber | weigh down |