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 |
|---|---|
| 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 |
| clavicle | a bone of the shoulder girdle typically serving to link the scapula and sternum |
| ligneous | of or resembling wood |
| abject | sunk to or existing in a low state or condition : very bad or severe |
| haphazard | marked by lack of plan, order, or direction |
| idiom | an expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements (such as up in the air for "undecided") or in its grammatically atypical use of words (such as give way) |
| incidence | rate of occurrence or influence |
| choreography | the art of symbolically representing dancing |
| welt | a strip between a shoe sole and upper through which they are stitched or stapled together |
| panache | an ornamental tuft (as of feathers) especially on a helmet |