impure metal forming beneath the slag during the smelting of ores
Derived forms
reguline (ˈreguline)
adjective
Word origin
C16: from Latin: a petty king, from rēx king; formerly used for antimony, because it combines readily with gold, thought of as the king of metals
Regulus in British English1
(ˈrɛɡjʊləs)
noun
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 in British English2
(ˈrɛɡjʊləs)
noun
the brightest star in the constellation Leo. Visual magnitude: 1.3; spectral type: B8; distance: 69 light years
Regulus in American English1
(ˈrɛgjələs)
noun
1.
a multiple star, the brightest star in the constellation Leo: magnitude, 1.4
2. Word forms: pluralˈreguluses or ˈreguˌli (ˈrɛgjəˌlaɪ) [r-]; Chemistry and Metallurgy
a.
metallic antimony
: in full regulus of antimony
b.
impure metal produced by the smelting or reduction of various ores
c.
partly purified metal that sinks to the bottom of a crucible or furnace in smelting
Word origin
ModL < L, dim. of rex, a king: see right; (sense 2a) because of its ready combination with gold, the “king of metals”
Regulus in American English2
(ˈrɛgjələs)
Marcus Atiliusdied 250? b.c.; Rom. consul & general in the 1st Punic War