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 |
|---|---|
| impervious | not allowing entrance or passage : impenetrable |
| exhale | to rise or be given off as vapor |
| rent | property (such as a house) rented or for rent |
| paranoia | mental illness characterized by systematized delusions of persecution or grandeur usually without hallucinations |
| rivet | a headed pin or bolt of metal used for uniting two or more pieces by passing the shank through a hole in each piece and then beating or pressing down the plain end so as to make a second head |
| shimmer | to shine with a soft tremulous or fitful light : glimmer |
| reprove | to scold or correct usually gently or with kindly intent |
| foment | to promote the growth or development of : rouse |
| retard | to delay or impede the development or progress of : to slow up especially by preventing or hindering advance or accomplishment |
| ragamuffin | a ragged often disreputable person |