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 |
|---|---|
| exemplify | to show or illustrate by example |
| flush | to fly away suddenly |
| strew | to spread by scattering |
| besiege | to surround with armed forces |
| encompass | include |
| automaton | a mechanism that is relatively self-operating |
| proviso | an article or clause (as in a contract) that introduces a condition |
| concise | marked by brevity of expression or statement : free from all elaboration and superfluous detail |
| tantamount | equivalent in value, significance, or effect |
| trickle | to issue or fall in drops |