Enter a clue or pattern or both:
The Clue
Treatment with carbon dioxide (8 letter answer)
The Answer
AERATION
Tags
Notes
The answer AERATION is so rare that it appears less than once every 2500 puzzles.
Related Clues
Exposure to air
Definition
AERATION as a noun:
1. the process of exposing to air (so as to purify); "the aeration of the soil"
2. the act of charging a liquid with a gas making it effervescent