Enter a clue or pattern or both:
The Clue
Radical derived from an acid (4 letter answer)
The Answer
ACYL
Tags
Notes
The answer ACYL is so rare that it appears less than once every 2500 puzzles.
Related Clues
Acid derivative
Chemistry radical
Definition
ACYL as a noun:
1. (acyl, acyl group) = any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"