regulus

名词 regulus:

1. the brightest star in Leo
2. a genus of birds of the family Sylviidae including kinglets
   同义词：genus Regulus

re.gu.lus

n.（名词）
【复数】 reg.u.li[-lo] 或 reg.u.lus.es
The metallic mass that sinks to the bottom of a furnace or crucible during smelting.
金属渣：在熔化过程中沉到炉底或坩埚底部的金属物质
A relatively impure intermediate product of various ores in smelting.
金属渣：相对不纯净的各种矿石在熔化过程中的中介产品

来源：
Latin rôgulus
拉丁语 rôgulus
diminutive of rôx rôg- [king] * see reg-
rôx的小后缀 rôg- [国王] *参见 reg-

【引伸】
reg.uline