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 |
|---|---|
| phylum | a direct line of descent within a group |
| effectual | producing or able to produce a desired effect |
| syllogism | a deductive scheme of a formal argument consisting of a major and a minor premise and a conclusion (as in "every virtue is laudable; kindness is a virtue; therefore kindness is laudable") |
| inane | lacking significance, meaning, or point : silly |
| hindsight | perception of the nature of an event after it has happened |
| cosmic | of or relating to the cosmos, the extraterrestrial vastness, or the universe in contrast to the earth alone |
| transition | a change or shift from one state, subject, place, etc. to another |
| philatelist | a specialist in philately : one who collects or studies stamps |
| mass | the liturgy of the Eucharist (see eucharist |
| allegory | the expression by means of symbolic fictional figures and actions of truths or generalizations about human existence |