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 |
|---|---|
| circlet | a little circle |
| avert | to turn away or aside (the eyes, one's gaze, etc.) in avoidance |
| immure | to enclose within or as if within walls |
| accord | to grant or give especially as appropriate, due, or earned |
| diva | prima donna |
| harry | to make a pillaging or destructive raid on : assault |
| addle | rotten |
| cordon | an ornamental cord or ribbon |
| check | to inspect, examine, or look at appraisingly or appreciatively |
| askance | with disapproval or distrust : scornfully |