Word Study
sider |
sideral |
siderated |
sideration |
sidereal |
sidereal day
| sidereal hour
| sidereal month
| sidereal time
| sidereal year
| siderealize
sidereal day
WORDNET DICTIONARY
Noun sidereal day has 1 sense
- sidereal day(n = noun.time) day - the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day; Array is a kind of time unit, unit of time, sidereal time
For further exploring for "sidereal day" in Webster Dictionary Online
