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 |
|---|---|
| romp | one that romps |
| repugnance | the quality or fact of being contradictory or inconsistent |
| practicable | capable of being put into practice or of being done or accomplished : feasible |
| heterodox | contrary to or different from an acknowledged standard, a traditional form, or an established religion : unorthodox |
| stumble | to fall into sin or waywardness |
| pine | any of a genus (Pinus of the family Pinaceae, the pine family) of coniferous evergreen trees that have slender elongated needles and include some valuable timber trees and ornamentals |
| spectrum | a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order |
| adversity | a state or instance of serious or continued difficulty or misfortune |
| ascertain | to find out or learn with certainty |
| articulate | expressing oneself readily, clearly, and effectively |