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Sidereal: meaning, definitions and examples

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sidereal

 

[ saษชหˆdษชษ™riษ™l ]

Adjective
Context #1 | Adjective

astronomy term

Sidereal refers to anything pertaining to the stars or constellations. In astronomy, it is often used in the context of sidereal time, which is based on the Earth's rotation relative to the stars rather than the sun. This concept is crucial for astronomers as it allows for precise measurements of celestial objectsโ€™ positions. Sidereal days are approximately 23 hours, 56 minutes, and 4 seconds long, slightly shorter than the solar day.

Synonyms

astral, stellar.

Examples of usage

  • The sidereal day is shorter than a solar day.
  • Astronomers use sidereal time for precise observation.
  • The sidereal year is based on the Earth's orbit around the Sun relative to the stars.

Translations

Translations of the word "sidereal" in other languages:

๐Ÿ‡ต๐Ÿ‡น sideral

๐Ÿ‡ฎ๐Ÿ‡ณ เคคเคพเคฐเค•เฅ€เคฏ

๐Ÿ‡ฉ๐Ÿ‡ช sidereal

๐Ÿ‡ฎ๐Ÿ‡ฉ sidereal

๐Ÿ‡บ๐Ÿ‡ฆ ัะธะดะตั€ะธั‡ะฝะธะน

๐Ÿ‡ต๐Ÿ‡ฑ sideral

๐Ÿ‡ฏ๐Ÿ‡ต ๆ˜Ÿใฎ

๐Ÿ‡ซ๐Ÿ‡ท sidรฉral

๐Ÿ‡ช๐Ÿ‡ธ sideral

๐Ÿ‡น๐Ÿ‡ท yฤฑldฤฑzsal

๐Ÿ‡ฐ๐Ÿ‡ท ํ•ญ์„ฑ์˜

๐Ÿ‡ธ๐Ÿ‡ฆ ู†ุฌู…ูŠ

๐Ÿ‡จ๐Ÿ‡ฟ hvฤ›zdnรฝ

๐Ÿ‡ธ๐Ÿ‡ฐ siderรกlny

๐Ÿ‡จ๐Ÿ‡ณ ๆ’ๆ˜Ÿ็š„

๐Ÿ‡ธ๐Ÿ‡ฎ sideralni

๐Ÿ‡ฎ๐Ÿ‡ธ stjรถrnufrรฆรฐilegur

๐Ÿ‡ฐ๐Ÿ‡ฟ ะถาฑะปะดั‹ะทะดั‹า›

๐Ÿ‡ฌ๐Ÿ‡ช แƒ•แƒแƒ แƒกแƒ™แƒ•แƒšแƒแƒ•แƒฃแƒ แƒ˜

๐Ÿ‡ฆ๐Ÿ‡ฟ ulduz

๐Ÿ‡ฒ๐Ÿ‡ฝ sideral

Etymology

The term 'sidereal' originates from the Latin word 'sideralis', meaning 'of the stars'. The root 'sidus', which translates to 'star', is also the source of related words in various languages. The etymological development traces back to ancient astronomers who focused on the observation of stars for navigation and timekeeping. Throughout history, various cultures have placed significant importance on the stars, using them to create calendars and guide exploration. The concept of sidereal time is central to modern astronomical practices, reinforcing the connection between time measurement and celestial movement.

Word Frequency Rank

Positioned at #24,227, this word is part of extensive vocabulary. It's relatively rare in general usage but may be important in specific fields or formal writing.