Jump to:

• regulus
  regulus

  noun

  Regulus, a first magnitude star in the constellation Leo.
• Regulus
  Regulus

  noun

  Marcus Atilius died 250? b.c., Roman general.

regulus

¹ American  

[reg-yuh-luhs] / ˈrɛg yə ləs /

noun

plural

reguluses, reguli

1. Astronomy. Regulus, a first magnitude star in the constellation Leo.

2. Metallurgy.

   1. the metallic mass that forms beneath the slag at the bottom of the crucible or furnace in smelting ores.

   2. an impure intermediate product obtained in smelting ores.

---

Regulus ² American  

[reg-yuh-luhs] / ˈrɛg yə ləs /

noun

1. Marcus Atilius died 250? b.c., Roman general.

---

Regulus ¹ British  

/ ˈrɛɡjʊləs /

noun

1. Marcus Atilius (ˈmɑːkəs əˈtɪlɪəs). died ?250 _bc , Roman general; consul (267; 256). Captured by the Carthaginians in the First Punic War, he was sent to Rome on parole to deliver the enemy's peace terms, advised the Senate to refuse them, and was tortured to death on his return to Carthage

---

regulus ² British  

/ ˈrɛɡjʊləs /

noun

1. impure metal forming beneath the slag during the smelting of ores

---

Regulus ³ British  

/ ˈrɛɡjʊləs /

noun

1. the brightest star in the constellation Leo. Visual magnitude: 1.3; spectral type: B8; distance: 69 light years

---

Regulus Scientific  

/ rĕg′yə-ləs /

1. A bright triple star in the constellation Leo, with an apparent magnitude of 1.35. Scientific name: Alpha Leonis.

---

Other Word Forms

• reguline
  adjective

Etymology

Origin of regulus

First recorded in 1550–60; from Latin rēgulus literally, “little king” (diminutive of rēx ); in early chemistry, “antimony,” so called because it readily combines with gold (the king of metals); see -ule

Example Sentences

Thus the silver, as in the last process, is converted into a sulphide, and is absorbed in the regulus, while the metallic antimony alloys with the gold and settles to the bottom of the pot.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

A regulus with more than this is "too fine," and with less "too coarse."

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

Kynvard, regulus of Ferlex and Brecon, succeeded his father, Hoyw; and Kyndeg, who was contemporary with Cadwallader, and lived a.d.

From Antigua and the Antiguans, Volume II (of 2) A full account of the colony and its inhabitants from the time of the Caribs to the present day by Anonymous

The imports of raw ores and partly reduced ores called "regulus," come mainly from Mexico to New York and Baltimore, and from Mexico and Japan to Puget Sound ports.

From Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges by Redway, Jacques W. (Jacques Wardlaw)

The regulus of antimony is of a silvery white colour, of a scaly texture, very brittle, and melts soon after ignition.

From Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry by Priestley, Joseph