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sidereal Meaning & Definition

/saɪˈdɪə.ɹi.əl/

What Does Sidereal Mean?

As an adjective, sidereal means Of or relating to the stars. It is also used to mean Relating to a measurement of time relative to the position of the stars.

Quick Facts About Sidereal

Part of speechadjective
Pronunciation/saɪˈdɪə.ɹi.əl/
Syllables4
Antonymscivil

Sidereal Definition (Adjective)

  1. Of or relating to the stars.
  2. Relating to a measurement of time relative to the position of the stars.
  3. Relating to a measurement of time relative to the point of the vernal equinox.

Synonyms of Sidereal

The source does not list synonyms for this entry.

Sidereal synonyms and antonyms →

Antonyms of Sidereal

Word Forms & Grammar

sidereal (not comparable)

Words That Rhyme With Sidereal

alongside realapplied realcertified realcried realdenied realdied realdiversified realdivide realguide realhide realidentified realimplied realinside realmodified realnationwide realoccupied realoutside realprovide realqualified realride realsimplified realspecified realtried realworldwide real

Origin of Sidereal

From Latin sīdereus +‎ -al (cf. Latin sīderālis), from sīdus (“star, constellation”), of unknown ultimate origin, likely a substrate language such as Pre-Greek.

How to Pronounce Sidereal

The standard pronunciation of sidereal is /saɪˈdɪə.ɹi.əl/, spoken in 4 syllables, with the main stress on the second syllable (dɪə).

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