different between sidereal vs sideral

English

Alternative forms

• sideral

Etymology

From Latin s?dereus, from s?dus (“star”).

Pronunciation

• (UK) IPA^(key): /sa??d???.i.?l/
• (US) IPA^(key): /sa??d??.i.l?/
• or

Adjective

sidereal (not comparable)

1. Of or relating to the stars.
   • 1919, Hector Macpherson, S.Chapman (series editor), Men of Science: Herschel, Chapter V,

     The field of sidereal astronomy, therefore, was virtually untrodden when, shortly after the beginning of his telescopic work, Herschel began his first review of the heavens.

2. (astronomy) Relating to a measurement of time relative to the position of the stars.
   • 1903, Percival Lowell, The Solar System, Chapter I,

     Then, from a sufficient number of observations of synodic periods to give their mean, we obtain the sidereal period, or period with reference to the stars.

3. (astronomy) Relating to a measurement of time relative to the point of the vernal equinox.

Derived terms

Related terms

Translations

Anagrams

• realised, resailed, serialed

English

Adjective

sideral (not comparable)

1. Alternative form of sidereal

Anagrams

• airsled, derails, dialers, earlids, lardies, redials, sadlier

Portuguese

Etymology

From Latin s?der?lis, from s?dus (“star”).

Adjective

sideral m or f (plural siderais, comparable)

1. (astronomy) sidereal (of or relating to the stars)

   Synonym: sidéreo

Romanian

Etymology

From French sidéral, from Latin sideralis.

Adjective

sideral m or n (feminine singular sideral?, masculine plural siderali, feminine and neuter plural siderale)

1. sidereal

Declension

Spanish

Etymology

From Latin s?der?lis, from s?dus (“star”).

Pronunciation

• IPA^(key): /side??al/, [si.ð?e??al]

Adjective

sideral (plural siderales)

1. stellar, sidereal

   Synonym: estelar

Related terms

• considerar

Further reading

• “sideral” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.