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 |
|---|---|
| log | a usually bulky piece or length of a cut or fallen tree |
| prop | something that props or sustains : support |
| penetrate | to pass into or through |
| tout | to make much of : promote |
| forerunner | one that precedes and indicates the approach of another: such as |
| apologist | someone who speaks or writes in defense of someone or something that is typically controversial, unpopular, or subject to criticism |
| inadvertently | unintentional |
| sanction | a formal decree |
| incline | to bend the head or body forward : bow |
| dilute | attenuate |