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 |
|---|---|
| polity | political organization |
| confine | something (such as borders or walls) that encloses |
| promulgate | to make (an idea, belief, etc.) known to many people by open declaration : proclaim |
| arboretum | a place where trees, shrubs, and herbaceous plants are cultivated for scientific and educational purposes |
| arduous | hard to accomplish or achieve : difficult |
| egregious | conspicuous |
| metallurgical | the science and technology of metals |
| chaffing | the seed coverings and other debris separated from the seed in threshing grain |
| tangible | capable of being perceived especially by the sense of touch : palpable |
| monochromatic | having or consisting of one color or hue |