Definiciones
1.NounAny of several groupings of elements that share traits with iron in one way or another.
Row 4 (period 4) of the periodic table, or a large subset thereof.
A smaller subset thereof comprising iron, cobalt, and nickel.
2.NounRow 4 (period 4) of the periodic table, or a large subset thereof.
A smaller subset thereof comprising iron, cobalt, and nickel.
3.NounA smaller subset thereof comprising iron, cobalt, and nickel.
4.NounGroup 8 of the periodic table, comprising iron, ruthenium, osmium, and hassium.