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 |
|---|---|
| apiary | a place where bees are kept |
| clip | encompass |
| sleeper | one that sleeps |
| aerie | the nest of a bird on a cliff or a mountaintop |
| entrepreneur | one who organizes, manages, and assumes the risks of a business or enterprise |
| crust | the hardened exterior or surface part of bread |
| crevice | a narrow opening resulting from a split or crack (as in a cliff) : fissure |
| diatribe | a bitter and abusive speech or piece of writing |
| impugn | to assail by words or arguments : oppose or attack as false or lacking integrity |
| pellucid | admitting maximum passage of light without diffusion or distortion |