regulus

About 0.17 uses per million words.

Meaning

1. noun An impure metal formed beneath slag during the smelting of ores.

Similar words

genus regulus scoria prill rust slag royal metal base metal raguinite greillade dross

Often followed by

of and is was in regulus calendula to satrapa

Word family

Marcus Atilius Regulus Regulus reguli reguluses