Meaning of iron triad | Babel Free
Definitions
The triad of iron, cobalt, and nickel, three elements that share certain chemical and physical traits and are important in ferrous metallurgy.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
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