| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 3,906,704,273 visitors served. |
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Steradian |
Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Wikipedia | 0.01 sec. |
|
|
steradian [stə′rād·ē·ən]
(mathematics) The unit of measurement for solid angles; it is equal to the solid angle subtended at the center of a sphere by a portion of the surface of the sphere whose area equals the square of the sphere's radius. Abbreviated sr; sterad. Steradian a unit of measurement for solid angles. It is equal to the solid angle subtended at the center of a sphere by a portion of the sphere’s surface whose area is equal to the square of the sphere’s radius. The abbreviations used for the unit are sr and sterad. The solid angle of a sphere at its center is 4π steradians. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
|
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup |
|---|