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 |
|---|---|
| penumbra | a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light |
| depreciate | to lower in honor or esteem |
| prostrate | stretched out with face on the ground in adoration or submission |
| incisive | impressively direct and decisive (as in manner or presentation) |
| sloth | disinclination to action or labor : indolence |
| acknowledge | to recognize the rights, authority, or status of |
| exigency | that which is required in a particular situation |
| innocuous | producing no injury : harmless |
| recapitulate | to retell or restate briefly : summarize |
| smolder | to burn sluggishly, without flame, and often with much smoke |