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 |
|---|---|
| calculated | apt |
| abyss | an immeasurably deep gulf or great space |
| polarize | to cause to vibrate in a definite pattern |
| tan | to make (skin) tan especially by exposure to the sun |
| reciprocate | to give and take mutually |
| robust | having or exhibiting strength or vigorous health |
| resonant | continuing to sound : echoing |
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