Definition that contains trace element
- co a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
- cobalt a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
- atomic number 27 a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition