Synonyms: blacken, black, nigrify, melanise, melanize
Definition: make or become black
Usage: The smoke blackened the ceiling; The ceiling blackened
Similar words: color, colour, discolor, discolour
Definition: change color, often in an undesired manner
Usage: The shirts discolored
Definition: convert into, or infiltrate with melanin
Similar words: convert
Definition: change in nature, purpose, or function; undergo a chemical change
Usage: The substance converts to an acid