Last seen in:
- The Guardian - Quick crossword No 16,821 - Apr 4 2024
- The Guardian - Quick crossword No 16,702 - Nov 16 2023
- The Guardian - Quick crossword No 15,961 - Jul 3 2021
- Thomas Joseph - King Feature Syndicate - Jul 1 2020
- The Washington Post - Oct 27 2019
- L.A. Times Daily - Oct 27 2019
- L.A. Times Daily - Dec 24 2017
- The Washington Post - Dec 24 2017
- Universal - Jun 26 2016
- The Washington Post - Apr 11 2016
Related Clues:
- Chemist's study
- Radiation result
- Elementary atomic particle
- Subject of fission
- Bond bit
- It comes with a small charge
- Discovery of Sir James Chadwick
- Minute quantity
- Smasher input
- It might react negatively
- Euripides drama
- Splittable bit
- Electrified particle
- Fermi's concern
- Quark-plus-antiquark particle