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 |
|---|---|
| coincidence | the act or condition of coinciding : correspondence |
| subside | to sink or fall to the bottom : settle |
| euphoria | a feeling of well-being or elation |
| propriety | the quality or state of being proper or suitable : appropriateness |
| imperative | not to be avoided or evaded : necessary |
| zany | very eccentric (see eccentric |
| raiment | clothing |
| eclipse | the total or partial obscuring of one celestial body by another |
| unfledged | not feathered : not ready for flight |
| benison | blessing |