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 |
|---|---|
| pronounced | strongly marked : decided |
| flail | a hand threshing implement consisting of a wooden handle at the end of which a stouter and shorter stick is so hung as to swing freely |
| flutter | to flap the wings rapidly |
| opportunist | one that is opportunistic or that practices opportunism |
| inimical | being adverse often by reason of hostility or malevolence |
| sanctuary | a consecrated place: such as |
| knotty | marked by or full of knots |
| foreshadow | to represent, indicate, or typify beforehand : prefigure |
| authoritative | having, marked by, or proceeding from authority |
| temperate | having a moderate climate which especially lacks extremes in temperature |