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 |
|---|---|
| tactful | having or showing tact |
| gyroscope | a wheel or disk mounted to spin rapidly about an axis and also free to rotate about one or both of two axes perpendicular to each other and to the axis of spin so that a rotation of one of the two mutually perpendicular axes results from application of torque to the other when the wheel is spinning and so that the entire apparatus offers considerable opposition depending on the angular momentum to any torque that would change the direction of the axis of spin |
| beset | to set or stud with or as if with ornaments |
| supplicate | to make a humble entreaty |
| simian | of, relating to, or resembling monkeys or apes |
| distort | to twist (see twist |
| stumble | to fall into sin or waywardness |
| dorsal | an ornamental cloth hung behind and above an altar |
| muddle | to make turbid or muddy |
| animated | endowed with life or the qualities of life : alive |