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 |
|---|---|
| precarious | dependent on chance circumstances, unknown conditions, or uncertain developments |
| irreparable | not reparable : irremediable |
| commonwealth | a nation, state, or other political unit: such as |
| swear | to utter or take solemnly (an oath) |
| grate | grating |
| approbation | commendation |
| ravine | a small narrow steep-sided valley that is larger than a gully and smaller than a canyon and that is usually worn by running water |
| querulous | habitually complaining |
| jargon | the technical terminology or characteristic idiom of a special activity or group |
| bacchanal | orgy |