regulus [ˈrɛgjʊləs] (pl. reguluses 或 reguli -lʌɪ, -liː)
(Chemistry, archaic)a metallic form of a substance obtained by smelting or reduction (化,古)金属熔块,金属渣
a petty king or ruler 小国之君(或统治者)
派生 reguline [-lʌɪn] adjective
(限义项1)
语源
late 16th cent.: from Latin, diminutive of rex, reg- 'king'; originally in the phrase regulus of antimony (denoting metallic antimony), apparently so named because of its readiness to combine with gold