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 |
|---|---|
| tribute | something given or contributed voluntarily as due or deserved |
| sow | an adult female swine |
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| adjourn | to suspend indefinitely or until a later stated time |
| bacchanal | orgy |
| effectual | producing or able to produce a desired effect |
| nuance | a subtle distinction or variation |
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