The Latin word for iron, now used in chemistry and scientific contexts as another term for the element iron (Fe).
Directly from Latin ferrum meaning iron, one of the oldest known metallic elements. The Romans and ancients used this word for the metal they worked into tools and weapons.
Ferrum is why the chemical symbol for iron is Fe—medieval and Renaissance alchemists preserved the Latin names for elements, so this ancient word is literally written into modern chemistry's periodic table.
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