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 |
|---|---|
| ballast | a heavy substance (such as rocks or water) placed in such a way as to improve stability and control (as of the draft of a ship or the buoyancy of a balloon or submarine) |
| egotistical | characterized by egotism : having, showing, or arising from an exaggerated sense of self-importance |
| onomatopoeia | the naming of a thing or action by a vocal imitation of the sound associated with it (such as buzz, hiss) |
| deft | characterized by facility and skill |
| pendulous | poised without visible support |
| sordid | marked by baseness or grossness : vile |
| acknowledge | to recognize the rights, authority, or status of |
| premonition | previous notice or warning : forewarning |
| knoll | a small round hill : mound |
| indignity | an act that offends against a person's dignity or self-respect : insult |