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 |
|---|---|
| enlist | to secure the support and aid of : employ in advancing an interest |
| dissolution | the act or process of dissolving: such as |
| lineage | descent in a line from a common progenitor |
| acrid | sharp and harsh or unpleasantly pungent in taste or odor : irritating |
| exertion | the act or an instance of exerting |
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| embroil | to throw into disorder or confusion |
| mannered | having manners of a specified kind |
| conifer | any of an order (Coniferales) of mostly evergreen trees and shrubs having usually needle-shaped or scalelike leaves and including forms (such as pines) with true cones and others (such as yews) with an arillate fruit |
| lumen | the cavity of a tubular organ or part |