English-Thai Dictionary

regulus

N ดาว ดวง ที่ สุก สว่าง ที่สุด ของ หมู่ ดาว  Leo duang-dao-ti-song-sa-wang-ti-sud

 

Webster's 1828 Dictionary

REGULUS

n.[L. a petty king. ] In chimistry, the finer or pure part of a metallic substance, which, in the melting of ores, falls to the bottom of the crucible.

 

Webster's 1913 Dictionary

REGULUS

Reg "u *lus (-ls ), n.; pl. E. Reguluses (-Reguli (-l. Etym: [L., a petty king, prince, dim. of rex, regis, a king: cf. F. régule. See Regal. ]

 

1. A petty king; a ruler of little power or consequence.

 

2. (Chem. & Metal. )

 

Defn: The button, globule, or mass of metal, in a more or less impure state, which forms in the bottom of the crucible in smelting and reduction of ores.

 

Note: The name was introduced by the alchemists, and applied by them in the first instance to antimony. Ilittle king; and from the facility with which antimony alloyed with gold, these empirical philosophers had great hopes that this metal, antimony, would lead them to the discovery of the philosopher's stone. Ure.

 

3. (Astron.)

 

Defn: A star of the first magnitude in the constellation Leo; -- called also the Lion's Heart.

 

New American Oxford Dictionary

Regulus

Reg u lus |ˈregyələs ˈrɛɡjələs |Astronomy the brightest star in the constellation Leo. It is a triple system of which the primary is a hot dwarf star. ORIGIN Latin, literally ‘little king. ’

 

regulus

reg u lus |ˈregyələs ˈrɛɡjələs | ▶noun ( pl. reguluses or reguli |-ˌlī, -lē | ) 1 Chemistry, archaic a metallic form of a substance obtained by smelting or reduction. 2 a petty king or ruler. DERIVATIVES reg u line |ˈregyəˌlīn, -lin |adjective regulus ( sense 1 ) ORIGIN late 16th cent.: from Latin, diminutive of rex, reg- ‘king ’; originally in the phrase regulus of antimony (denoting metallic antimony ), apparently so named because of its readiness to combine with gold.

 

Oxford Dictionary

Regulus

Regulus |ˈrɛgjʊləs |Astronomy the brightest star in the constellation Leo. It is a triple system of which the primary is a hot dwarf star. ORIGIN Latin, literally ‘little king ’.

 

regulus

regulus |ˈrɛgjʊləs | ▶noun ( pl. reguluses or reguli |-lʌɪ, -liː | ) 1 Chemistry, archaic a metallic form of a substance, obtained by smelting or reduction. 2 a petty king or ruler. DERIVATIVES reguline |-lʌɪn |adjective regulus ( sense 1 ) ORIGIN late 16th cent.: from Latin, diminutive of rex, reg- ‘king ’; originally in the phrase regulus of antimony (denoting metallic antimony ), apparently so named because of its readiness to combine with gold.

 

Duden Dictionary

Regulus

Re gu lus Eigenname |R e gulus |altrömischer Feldherr

 

Regulus

Re gu lus Substantiv, maskulin , der |R e gulus |der Regulus; Genitiv: des Regulus, Plural: die Reguli und Regulusse 1 Goldhähnchen lateinisch regulus, Verkleinerungsform von: rex = König, Rex ; der leuchtend gelbe Scheitel erinnert an eine Krone 2 mittellateinisch (Alchemistensprache ) regulus = metallurgisch gewonnenes Antimon < lateinisch regulus, Regulus 1 veraltet Metallklumpen, der sich beim Schmelzen von Erzen unter der Schlacke absondert

 

Regulus

Re gu lus Substantiv, maskulin , der |R e gulus |nur Singular: ein Stern; veraltet für gediegenes Metall