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 |
|---|---|
| monogram | a sign of identity usually formed of the combined initials of a name |
| component | a constituent part : ingredient |
| conscientious | meticulous |
| cower | to shrink away or crouch especially for shelter from something that menaces, domineers, or dismays |
| nondescript | belonging or appearing to belong to no particular class or kind : not easily described |
| friction | the rubbing of one body against another |
| insubstantial | not substantial: such as |
| sententious | given to or abounding in aphoristic expression |
| salient | moving by leaps or springs : jumping |
| vigilant | alertly watchful especially to avoid danger |