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 |
|---|---|
| resolve | to deal with successfully : clear up |
| geniality | marked by or freely expressing sympathy or friendliness |
| bump | a relatively abrupt convexity or protuberance on a surface: such as |
| blemish | to spoil by a flaw |
| insurmountable | incapable of being surmounted : insuperable |
| liaison | a binding or thickening agent used in cooking |
| underlying | lying beneath or below |
| ultimatum | a final proposition, condition, or demand |
| mercurial | of, relating to, or born under the planet Mercury |
| periphery | the perimeter of a circle or other closed curve |