Related Content
- Daily Word Quiz: recherch
- Analogy of the Day: Today’s Analogy
- Frequently Misspelled Words
- Frequently Mispronounced Words
- Easily Confused Words
- Writing & Language
sidereal day: Meaning and Definition of
side'real day'
Pronunciation: [key]
— Astron. Astron.
- the interval between two successive passages of the vernal equinox over the meridian, being about four minutes shorter than a mean solar day.
Trending
Here are the facts and trivia that people are buzzing about.
