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 |
|---|---|
| amenable | liable to be brought to account : answerable |
| claustrophobia | abnormal dread of being in closed or narrow spaces |
| catastrophe | a momentous tragic event ranging from extreme misfortune to utter overthrow or ruin |
| vitiate | to make faulty or defective : impair |
| outspoken | direct and open in speech or expression : frank |
| eddy | a current of water or air running contrary to the main current |
| rubric | an authoritative rule |
| vagabond | a person who wanders from place to place without a fixed home : one leading a vagabond life |
| ecologist | a branch of science concerned with the interrelationship of organisms and their environments |
| wrath | strong vengeful anger or indignation |