- a multiple star, the brightest star in the constellation Leo: magnitude, 1.36
- pl. -·luses or -·li· [r-]
Origin of Regulusbecause of its ready combination with gold, the “king of metals” metallic antimonyin full regulus of antimony
- impure metal produced by the smelting or reduction of various ores
- partly purified metal that sinks to the bottom of a crucible or furnace in smelting
Origin of RegulusModern Latin from L, diminutive of rex, a king: see right
nounpl. reg·u·li, or reg·u·lus·es
- The metallic mass that sinks to the bottom of a furnace or crucible during smelting.
- A relatively impure intermediate product of various ores in smelting.
Origin of regulusLatin rēgulus diminutive of rēx rēg- king ; see reg- in Indo-European roots.
Origin of RegulusLatin rēgulus diminutive of rēx rēg- king ; see regulus .
From Latin regulus.
Latin regulus (“petty king").
- a Roman cognomen