sideral

Borrowed from Latin sīderālis.

sideral (not comparable)

1. Dated form of sidereal.
   • 1667, John Milton, “Book IX”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC, signature [Mm3], verso, lines 692–695:

     Theſe changes in the Heav’ns, though ſlow, produc’d / Like change on Sea and Land, ſideral blaſt, / Vapour, and Miſt, and Exhalation hot, / Corrupt and Peſtilent: […]

• “sideral”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

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

Learned borrowing from Latin sīderālis, from sīdus (“star”).

• Rhymes: (Portugal) -al, (Brazil) -aw
• Hyphenation: si‧de‧ral

sideral m or f (plural siderais)

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

   Synonym: sidéreo

Borrowed from French sidéral, from Latin sideralis.

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

1. sidereal

From Latin sīderālis, from sīdus (“star”).

• IPA^(key): /sideˈɾal/ [si.ð̞eˈɾal]
• Rhymes: -al
• Syllabification: si‧de‧ral

sideral m or f (masculine and feminine plural siderales)

1. stellar, sidereal

   Synonym: estelar

• “sideral”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 10 December 2024

Borrowed from Spanish sideral, from Latin sīderālis.

• (Standard Tagalog) IPA^(key): /sideˈɾal/ [sɪ.d̪ɛˈɾal]
• Rhymes: -al
• Syllabification: si‧de‧ral

siderál (Baybayin spelling ᜐᜒᜇᜒᜇᜎ᜔) (astronomy)

1. sidereal; stellar

• Cuadrado Muñiz, Adolfo (1972), Hispanismos en el tagalo: diccionario de vocablos de origen español vigentes en esta lengua filipina, Madrid: Oficina de Educación Iberoamericana, page 532