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 |
|---|---|
| specious | having a false look of truth or genuineness : sophistic |
| contraband | illegal or prohibited traffic in goods : smuggling |
| arrhythmic | lacking rhythm or regularity |
| discordant | being at variance : disagreeing |
| blue | of the color whose hue is that of the clear sky : of the color blue (see blue |
| affinity | relationship by marriage |
| chant | to make melodic sounds with the voice |
| usury | the lending of money with an interest charge for its use |
| dearth | scarcity that makes dear |
| palpable | capable of being touched or felt : tangible |