iron triad
The triad of iron, cobalt, and nickel, three elements that share certain chemical and…The triad of iron, cobalt, and nickel, three elements that share certain chemical and physical traits and are important in ferrous metallurgy.
Meaning
1 sensesThe triad of iron, cobalt, and nickel, three elements that share certain chemical and physical traits and are important in ferrous metallurgy.
Holonym: iron group (broader sense)