| peaceful atom(expression, feature, type, atom) |
| peripheral atom(expression, feature, type, atom) |
| perturbing atom(expression, feature, type, atom) |
| pi-mesonic atom(expression, feature, type, atom) |
| pionic atom(expression, feature, type, atom) |
| product atom(expression, feature, type, atom) |
| pseudoasymmetric atom(expression, feature, type, atom) |
| punctual charge per atom(expression, feature, type, atom) |
| radiation protection(expression, feature, physics, radioactivity) |
| rare-earth atom(expression, feature, type, atom) |
| sigmic atom(expression, feature, type, atom) |
| spiro atom(expression, feature, type, atom) |
| stationary atom(expression, feature, type, atom) |
| strange atom(expression, feature, type, atom) |
| strip atom(expression, feature, type, atom) |
| stripped atom(expression, feature, type, atom) |
| subatomic particle(expression, feature, physics, radioactivity) |
| subsurface atom(expression, feature, type, atom) |
| technology system(noun, technology, entity, form, concept) |
| three-electron atom(expression, feature, type, atom) |