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 |
|---|---|
| agenda | a list or outline of things to be considered or done |
| oscillate | to swing backward and forward like a pendulum |
| unbridled | unrestrained |
| coeval | of the same or equal age, antiquity, or duration |
| wangle | to resort to trickery or devious methods |
| anvil | a heavy usually steel-faced iron block on which metal is shaped (as by hand hammering) |
| refrain | curb |
| vertigo | a sensation of motion in which the individual or the individual's surroundings seem to whirl dizzily |
| irate | roused to ire |
| fancier | one that has a special liking or interest |