Enter a clue or pattern or both:
The Clue
Soot used as a pigment (9 letter answer)
The Answer
LAMPBLACK
Tags
Notes
The answer LAMPBLACK is so rare that it appears less than once every 2500 puzzles.
Related Clues
Some soot
Definition
LAMPBLACK as a noun:
1. (carbon black, lampblack, soot, smut, crock) = a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink