| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,804,717,584 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
astigmatic difference |
0.03 sec. |
|
astigmatic difference [¦a·stig‚mad·ik ′dif·rəns] (optics) The distance between the primary and secondary foci of an astigmatic optical system. The difference between the reciprocals of the distances of the primary and secondary foci from an astigmatic thin lens or mirror. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | |
|---|---|
|
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|