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 |
|---|---|
| gainsay | to declare to be untrue or invalid |
| grumble | to mutter in discontent |
| assert | to state or declare positively and often forcefully or aggressively |
| ogle | to glance with amorous invitation or challenge |
| maelstrom | a powerful often violent whirlpool sucking in objects within a given radius |
| ingrate | an ungrateful person |
| universal | including or covering all or a whole collectively or distributively without limit or exception |
| altercation | a noisy, heated, angry dispute |
| bent | unenclosed grassland |
| cater | to provide a supply of food |