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 |
|---|---|
| dingy | dirty |
| detached | standing by itself : separate |
| random | a haphazard course |
| declivity | downward inclination |
| crest | a showy tuft or process on the head of an animal and especially a bird see bird illustration |
| graduated | marked with divisions indicating degrees or units of measurement |
| somnambulist | an abnormal condition of sleep in which motor acts (such as walking) are performed |
| effigy | an image or representation especially of a person |
| dissertation | an extended usually written treatment of a subject |
| multiplicity | the quality or state of being multiple or various |