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 |
|---|---|
| wince | to shrink back involuntarily (as from pain) : flinch |
| senility | the quality or state of being senile : the physical and mental decline associated with old age |
| lottery | a drawing of lots in which prizes are distributed to the winners among persons buying a chance |
| fiat | an authoritative or arbitrary order : decree |
| rig | to fit out with rigging |
| wrench | to move with a violent twist |
| calculated | apt |
| trifle | something of little value, substance, or importance |
| invincible | incapable of being conquered, overcome, or subdued |
| provision | the act or process of providing |