| HADRON | Elementary particle that interacts strongly with other particles (6) |
| ECHO | Amazon device that interacts with Alexa |
| NEUTRINOS | It's neuron? Not exactly, some other particles (9) |
| GOSSAMER | Spider silk floating in the air or on the grass, with shimmering droplets caused by early morning autumn fog that interact with sunlight to form a hyperbola-shaped dew-bow (8) |
| LEPTON | Elementary particle that participates in weak interactions |
| LUSTRE | Metallic, pearly, silky, dull, vitreous ... word for the way in which light interacts with a crystal or other mineral as one of its defining properties (6) |
| HANKER | Desire strongly (with "for") |
| MERGES | Interacts |
| UNITES | Interacts |
| MESHES | Interacts |
| BARYON | Particle that one's found beside rod (6) |
| EYETOY | Type of digital webcam for PlayStation 2 that enables players to interact with games using motion (6) |
| SCREEN | Word, from "protect", for a barrier, covering, divider, guard, partition or other shield or shelter and, ultimately, a display surface, aka VDU, with which to interact daily in our digital world (6) |
| SHAMAN | A spiritual healer who tries to interact with the spirit world (6) |
| PHOTON | Particle that can be emitted or absorbed by an atom |
| ZBOSON | In physics, a subatomic particle that mediates weak interaction (1,5) |
| NEUTRON | An uncharged elementary particle that has a mass nearly equal to that of the proton (7) |
| INTACT | Interact, but be heartless and unharmed (6) |
| ELECTRON | Stable elementary particle that is present in all atoms (8) |
| TACHYON | Hypothetical elementary particle that travels faster than light; from Greek, 'swift' (7) |
