| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,801,562,795 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
solar day |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.02 sec. |
|
solar day [′sō·lər ′dā] (astronomy) A time measurement, the duration of one rotation of the earth on its axis with respect to the sun; this may be a mean solar day or an apparent solar day as the reference is to the mean sun or apparent sun. 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 | ? References in periodicals archive | ||
|---|---|---|---|
| Until 1960, the definition of a second was based on solar time -- the spin rate of the Earth during a solar day. Until 1960, the definition of a second was based on solar time -- the spin rate of the Earth during a solar day. |
| 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 |
|---|