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:
- Electron-deficient atom, perhaps
- It has its quarks
- Bit for an accelerator
- Tiny charged particle
- Bit for Fermi
- Quark locale
- Tiny energy source
- It has a charge
- Molecule builder
- Tiny quantity
- Positive or negative item
- Participant in a collision
- "Damn, was ___ crack?" (Kanye West lyric)
- Label on the first of two file drawers, often
- Fermi's unit