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 |
|---|---|
| avert | to turn away or aside (the eyes, one's gaze, etc.) in avoidance |
| dregs | sediment contained in a liquid or precipitated (see precipitate |
| swathe | a band used in swathing |
| dogmatic | characterized by or given to the expression of opinions very strongly or positively as if they were facts |
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