Last seen in:
- L.A. Times Daily - Nov 13 2021
- New York Times - Sep 13 2020
- New York Times - Jun 17 2020
- New York Times - Sep 1 2019
- USA Today - Sep 3 2015
- USA Today - Sep 2 2015
- Canadiana - Feb 16 2015
- Premier Sunday - King Feature Syndicate - Dec 21 2014
- New York Times - May 10 2014
- L.A. Times Daily - Oct 18 2013
Related Clues:
- ___ acids
- _____ acid
- __ acid (protein building block)
- -- acid (vinegar component)
- __ acid
- With 71-Down, protein building block
- With 71-Down, vinegar, essentially
- Kind of acid found in protein
- Of element 5
- Kind of acid used in soap
- A kind of acid
- Like vinegar
- Acid used in fertilizers and explosives
- Acid found in vinegar
- Olive oil's ___ acid