Webster's 1828 Dictionary
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REG'ULUS, noun [Latin a petty king.]
In chimistry, the finer or pure part of a metallic substance, which, in the melting of ores, falls to the bottom of the crucible.
REG'ULUS, noun [Latin a petty king.]
In chimistry, the finer or pure part of a metallic substance, which, in the melting of ores, falls to the bottom of the crucible.