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 |
|---|---|
| arbiter | a person with power to decide a dispute : judge |
| airy | of or relating to air : atmospheric |
| betroth | to promise to marry |
| energize | to make energetic, vigorous, or active |
| ecosystem | the complex of a community of organisms and its environment functioning as an ecological unit |
| careen | to put (a ship or boat) on a beach especially in order to clean, caulk, or repair the hull |
| serendipity | the faculty or phenomenon of finding valuable or agreeable things not sought for |
| toady | one who flatters in the hope of gaining favors : sycophant |
| groove | a long narrow channel or depression |
| manumit | to release from slavery |