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:
- Pax, formerly
- Lepton site
- It's smaller than a molecule
- Suffix with ''invent''
- Bit of matter
- With 41-Down, nuclear device
- Bit to be split
- Solar-wind particle
- Abstract ending?
- Democritus' indivisible unit
- Nuclear fission target
- Very small matter
- Particle in a cloud chamber
- It may be radical
- Molecule bit