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 |
|---|---|
| debonair | suave |
| pterodactyl | any of various pterosaurs (suborder Pterodactyloidea) of the Late Jurassic and Cretaceous having a rudimentary tail and a beak with reduced dentition |
| miniature | a copy on a much reduced scale |
| cerebration | to use the mind : think |
| spoof | deceive |
| intimidate | to make timid or fearful : frighten |
| ursine | of or relating to a bear or the bear family (Ursidae) |
| earthly | characteristic of or belonging to this earth |
| ecliptic | of or relating to the ecliptic or an eclipse |
| bolt | a lightning stroke |