Enter a clue or pattern or both:
The Clue
Blood derivatives (8 letter answer)
The Answer
HEMATINS
Tags
Notes
The answer HEMATINS is so rare that it appears less than once every 2500 puzzles.
Definition
HEMATIN as a noun:
1. (heme, haem, hematin, haemitin, protoheme) = a complex red organic pigment containing iron and other atoms to which oxygen binds