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 |
|---|---|
| debauch | to corrupt by intemperance or sensuality |
| oversee | survey |
| nova | a star that suddenly increases its light output tremendously and then fades away to its former obscurity in a few months or years |
| alienate | to cause to be estranged : to make unfriendly, hostile, or indifferent especially where attachment formerly existed |
| vying | contending; to strive for superiority |
| winnow | to remove (something, such as chaff) by a current of air |
| unequivocal | leaving no doubt : clear |
| peripatetic | a follower of Aristotle or adherent of Aristotelianism |
| bargain | an agreement between parties settling what each gives or receives in a transaction between them or what course of action or policy each pursues in respect to the other |
| invoke | to petition for help or support |