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 |
|---|---|
| preempt | to acquire (something, such as land) by preemption |
| sundry | including many things of different kinds : miscellaneous |
| blues | low spirits : melancholy |
| sour | being, inducing, or marked by the one of the five basic taste sensations that is produced chiefly by acids and is characteristic of lemon juice |
| phlegmatic | resembling, consisting of, or producing the humor phlegm |
| grouch | a fit of bad temper |
| hoary | gray or white with or as if with age |
| biennial | occurring every two years |
| parallel | extending in the same direction, everywhere equidistant (see equidistant |
| piebald | composed of incongruous parts |