regulus n pl , -luses, -li impure metal forming beneath the slag during the smelting of ores (C16: from Latin: a petty king, from rex king; formerly used for antimony, because it combines readily with gold, thought of as the king of metals) ♦
reguline adj
Regulus [1]
n Marcus Atilius (<PH:'><PH:m><PH:@><PH::><PH:k><PH:&><PH:s> <PH:&><PH:'><PH:t><PH:I><PH:l><PH:I><PH:&><PH:s>). died ?250 b.c., 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]
n the brightest star in the constellation Leo. Visual magnitude: 1.3; spectral type: B8; distance: 69 light years