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 |
|---|---|
| embroil | to throw into disorder or confusion |
| spare | not being used |
| rampant | rearing upon the hind legs with forelegs extended |
| run-down | an item-by-item report or review : summary |
| lap | a loose overlapping or hanging panel or flap especially of a garment |
| caprice | a sudden, impulsive, and seemingly unmotivated notion or action |
| marshal | a high official in the household of a medieval king, prince, or noble originally having charge of the cavalry but later usually in command of the military forces |
| shoot | to eject or impel or cause to be ejected or impelled by a sudden release of tension (as of a bowstring or slingshot or by a flick of a finger) |
| submerge | to put under water |
| brood | the young of an animal or a family of young |