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Wiktionary
melanize

alt. To convert into melanin, or to deposit melanin in. vb. To convert into melanin, or to deposit melanin in.

WordNet
melanize
  1. v. convert into, or infiltrate with melanin [syn: melanise]

  2. make or become black; "The smoke blackened the ceiling"; "The ceiling blackened" [syn: blacken, melanise, nigrify, black] [ant: whiten]