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bluing (EN)
sostantivo

Questa parola può anche essere una forma di:
blue (verbo)

sostantivo “bluing”

sing. bluing, blueing, pl. bluings, blueings o non num.
  1. azzurrante
    To keep my white shirts looking bright, I add a bit of bluing to the wash cycle.
  2. brunitura (metallurgia)
    The blacksmith explained that bluing the steel would help prevent it from rusting over time.