sidereal

Meanings

• adjective

  Related to the stars or the celestial sphere; not apparentially, but in longitude; as, the sidereal year, the time required for the earth to revolve around the sun in relation to the stars.

  - "The sidereal day is 23 hours, 56 minutes, and 4 seconds long."
  - "The sidereal time is used in navigation and astronomy."
  - "The sidereal period of Jupiter is about 11.86 years."

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Pronunciation

1. /saɪˈdɪɹi.əl/
   
   
   
   Source: "https://commons.wikimedia.org/w/index.php?curid=269542"

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Rhymes

Words rhyming with sidereal
perennial , prestigious , senatorial , serenital

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Variants

List of all variants of sidereal that leads to same result
sidereal , sidereal day , sidereal days , sidereal hour , sidereal hours , sidereal minute , sidereal minutes , sidereal month , sidereal months , sidereal second , sidereal seconds , sidereal time , sidereal times , sidereal year , sidereal years

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Etymology

origin and the way in which meanings have changed throughout history.

From Old French siderial or Latin sidus 'star' + -eralis 'pertaining to'.

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Trivia

Any details, considerations, events or pieces of information regarding the word

1. The sidereal month is the length of a moon's orbital period with respect to the stars, approximately 27.32158 days.

2. The sidereal day is slightly longer than a solar day due to the Earth's orbital motion around the Sun.

3. The concept of sidereal time was first introduced by the ancient Greeks, who used it for navigation and astronomical observations.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Sidereal time: A measure of time based on the position of the stars, used in astronomy and navigation.

2. Sidereal year: The time it takes for the Earth to complete one orbit around the Sun in relation to the stars.

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Culture

Any cultural, historical, or symbolic significance of the word. Explore how the word has been used in literature, art, music, or other forms of expression.

In astrology, sidereal signs are based on the position of the sun against the backdrop of the stars, rather than the tropical zodiac signs. This results in a slight difference between the sidereal and tropical positions of the sun, leading to the concept of the precession of the equinoxes.

How to Memorize "sidereal"

1. visualize
   

   - Imagine the Earth revolving around the Sun while the stars remain fixed in the background. Visualize the difference between sidereal and tropical positions of the Sun.

2. associate
   

   - Associate the word 'sidereal' with 'stars' and 'celestial sphere'. Remember that it refers to something related to stars or the celestial sphere.

3. mnemonics
   

   - Create a mnemonic by remembering the first few letters of the word 'sidereal': S-I-D-E-R-A-L. Associate these letters with the meaning 'stars' or 'celestial sphere'.

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