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 |
|---|---|
| agog | full of intense interest or excitement : eager |
| effectual | producing or able to produce a desired effect |
| infringe | to encroach upon in a way that violates law or the rights of another |
| recreant | crying for mercy : cowardly |
| battalion | a considerable body of troops organized to act together : army |
| impervious | not allowing entrance or passage : impenetrable |
| pejorative | a word or phrase that has negative connotations (see connotation |
| mandatory | required by a law or rule : obligatory |
| yen | a strong desire or propensity |
| boisterous | noisily turbulent : rowdy |