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 |
|---|---|
| miscellany | separate writings collected in one volume |
| libido | instinctual psychic energy that in psychoanalytic theory is derived from primitive biological urges (as for sexual pleasure or self-preservation) and that is expressed in conscious activity |
| hypochondriac | hypochondriacal |
| rife | prevalent especially to an increasing degree |
| menagerie | a place where animals are kept and trained especially for exhibition |
| peremptory | putting an end to or precluding a right of action, debate, or delay |
| circuitous | having a circular or winding course |
| coeval | of the same or equal age, antiquity, or duration |
| contraband | illegal or prohibited traffic in goods : smuggling |
| protract | to prolong in time or space : continue |