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 |
|---|---|
| subside | to sink or fall to the bottom : settle |
| phlegmatic | resembling, consisting of, or producing the humor phlegm |
| cadet | a younger brother or son |
| sonorous | producing sound (as when struck) |
| tangible | capable of being perceived especially by the sense of touch : palpable |
| opalescent | reflecting an iridescent light |
| libertine | a freethinker especially in religious matters |
| hierarchy | a division of angels |
| opiate | an alkaloid drug (such as morphine or codeine) that contains or is derived from opium, binds to cell receptors primarily of the central nervous system and gastrointestinal tract, acts to block pain, induce sedation or sleep, depress respiration, and produce calmness or euphoria, and is associated with physiological tolerance (see tolerance |
| ineffable | incapable of being expressed in words : indescribable |