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 |
|---|---|
| sturdy | firmly built or constituted : stout |
| incident | an occurrence of an action or situation that is a separate unit of experience : happening |
| apparition | an unusual or unexpected sight : phenomenon |
| militia | a part of the organized armed forces of a country liable to call only in emergency |
| puny | slight or inferior in power, size, or importance : weak |
| persist | to go on resolutely or stubbornly in spite of opposition, importunity, or warning |
| metaphor | a figure of speech in which a word or phrase literally denoting one kind of object or idea is used in place of another to suggest a likeness or analogy between them (as in drowning in money) |
| lineage | descent in a line from a common progenitor |
| clot | a portion of a substance adhering together in a thick nondescript mass (as of clay or gum) |
| prosperous | auspicious |