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 |
|---|---|
| arboretum | a place where trees, shrubs, and herbaceous plants are cultivated for scientific and educational purposes |
| strut | to become turgid : swell |
| enjoin | to direct or impose by authoritative order or with urgent admonition |
| parasite | an organism living in, on, or with another organism in order to obtain nutrients, grow, or multiply often in a state that directly or indirectly harms the host (see host |
| annihilate | to cause to cease to exist : to do away with entirely so that nothing remains |
| salutary | producing a beneficial effect : remedial |
| gull | any of numerous long-winged web-footed aquatic birds (subfamily Larinae of the family Laridae) |
| muddle | to make turbid or muddy |
| jest | a joking or mocking remark |
| pomposity | pompous demeanor, speech, or behavior |