| Rating | Solver | Clue |
|---|---|---|
| ELECTRON | Atom particle | |
| CORPUSCLE | A minute particle; an atom; a molecule. | |
| DIATOM | A particle or atom endowed with the vital principle. | |
| ACE | Hence: A very small quantity or degree; a particle; an atom; a jot. | |
| PARTICLE | A minute part or portion of matter; a morsel; a little bit; an atom; a jot; as, a particle of sand, of wood, of dust. | |
| SOLID | Impenetrable; resisting or excluding any other material particle or atom from any given portion of space; -- applied to the supposed ultimate particles of matter. | |