Treated or combined with carbon, especially in metallurgy to increase hardness and strength.
Past participle of carburet, from carbon. British spelling variant where the final 't' is doubled before adding the '-ed' suffix, following standard British orthographic conventions.
A carburetted steel surface is microscopically transformed—carbon atoms embed into the metal's outer layer, creating a harder shell while keeping the inside flexible. This same principle lets sword-makers create blades that are both sharp and resilient.
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