| echium | (n) a genus of bristly herbs and shrubs of the family Boraginaceae, Syn. genus Echium |
| エキウム | [ekiumu] (n) echium (flower) [Add to Longdo] |
| テクネチウム | [tekunechiumu] (n) technetium (Tc) [Add to Longdo] |
| プロメチウム | [puromechiumu] (n) promethium (Pm) [Add to Longdo] |
| ルテチウム | [rutechiumu] (n) lutetium (Lu) [Add to Longdo] |