Enter a clue or pattern or both:
The Clue
Denoting certain animal or vegetable fats (15 letter answer)
The Answer
POLYUNSATURATED
Tags
Notes
The answer POLYUNSATURATED is so rare that it appears less than once every 2500 puzzles.
Definition
POLYUNSATURATED as an adjective:
1. (of long-chain carbon compounds especially fats) having many unsaturated bonds