What does "melanization" mean?

Conversion into melanin, or an increase in the concentration of melanin within (a tissue or organism)

What is a synonym for "melanization"?

Common synonyms include: darkening, shading, smirch, smudge, smut.

noun

noun ·Rare ·Advanced level

Noun

1
Conversion into melanin, or an increase in the concentration of melanin within (a tissue or organism)
"the melanization of larvae"

From melanize + -ation.