nitrided

/ˈnaɪtraɪdɪd/
adjective
  1. Describes a metal that has been treated with nitrogen to make it harder or more resistant.
    • The nitrided surface of the drill bit lasts much longer than untreated steel.
    • The nitrided gears showed no signs of rust after years of use.
    • We use nitrided components in the engine for better wear resistance.
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What does "nitrided" mean? | whatsthatwordmean | whatsthatwordmean