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 |
|---|---|
| cognate | of the same or similar nature : generically alike |
| prologue | the preface or introduction to a literary work |
| reckon | count |
| traverse | to go or travel across or over |
| rolling | (of land) rising and falling in long gentle slopes; happening continuously by stages; Ex. rolling devolution of power to local governments |
| jettison | to get rid of as superfluous or encumbering : omit or forgo as part of a plan or as the result of some other decision |
| proletarian | a member of the proletariat |
| soar | to fly aloft or about |
| dwindle | to become steadily less : shrink |
| artery | any of the tubular branching muscular- and elastic-walled vessels that carry blood from the heart through the body |