sidereal Definition
- 1determined by or from the stars, especially with reference to the position or movement of the earth in relation to them
- 2measured by the apparent motion of the stars rather than the sun
Using sidereal: Examples
Take a moment to familiarize yourself with how "sidereal" can be used in various situations through the following examples!
Example
The sidereal day is about four minutes shorter than the solar day.
Example
Sidereal time is used by astronomers to locate celestial objects.
Example
The sidereal zodiac is based on the position of the stars.
Example
The sidereal month is about two days shorter than the synodic month.
sidereal Synonyms and Antonyms
Synonyms for sidereal
Phrases with sidereal
the time taken by the earth to complete one revolution around the sun, measured with respect to the fixed stars
Example
The sidereal year is about 20 minutes longer than the tropical year.
Example
In sidereal astrology, the sign of Aries begins when the sun is in the constellation of Aries.
the time taken by a celestial object to complete one orbit around another object, measured with respect to the fixed stars
Example
The sidereal period of the moon is about 27.3 days.
Origins of sidereal
from Latin 'sidereus', meaning 'starry'
Summary: sidereal in Brief
The term 'sidereal' [sahy-deer-ee-uhl] refers to things determined by or from the stars, such as the position or movement of the earth. It is used in astronomy to measure time, location, and orbits, exemplified by 'The sidereal day is about four minutes shorter than the solar day.' 'Sidereal' extends into phrases like 'sidereal year,' and 'sidereal astrology,' denoting the use of the sidereal zodiac.
