Blacken - Definition

v 1: make or become black; "The smoke blackened the ceiling";
"The ceiling blackened" [syn: blacken, melanize,
melanise, nigrify, black] [ant: white, whiten]
2: burn slightly and superficially so as to affect color; "The
cook blackened the chicken breast"; "The fire charred the
ceiling above the mantelpiece"; "the flames scorched the
ceiling" [syn: char, blacken, sear, scorch]