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 |
|---|---|
| adhere | to hold fast or stick by or as if by gluing, suction, grasping, or fusing |
| iniquitous | characterized by iniquity |
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| refurbish | to brighten or freshen up : renovate |
| unaccountable | not to be accounted for : inexplicable |
| intractable | not easily governed, managed, or directed |
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| rare | seldom occurring or found : uncommon |