Relating to or containing iron, especially iron in its +3 oxidation state (as opposed to ferrous iron in its +2 state).
From Latin 'ferricus,' derived from 'ferrum' (iron), with the '-ic' suffix meaning 'of or pertaining to.' Used in chemistry to distinguish iron's valence state from ferrous compounds.
Chemistry's 'ferric vs. ferrous' distinction is a perfect example of how adding suffixes lets scientists pack crucial information into tiny words—ferric has an extra electron removed, making it chemically completely different, yet we track that complexity with just '-ic' vs. '-ous'.
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