| microscopic(adjective, slight, last, smallness, minute) |
| nuclear |
| indivisible(adjective, simple, pure, whole, unity) |
| infinitesimal(adjective, small, last, smallness, minute) |
| minute(noun, adjective, slight, small, last) |
| irreducible(adjective, simple, pure, whole, united) |
| molecular(adjective, last, smallness, minute, tiny) |
| subatomic(adjective, smallness, littleness, microscopic) |
| simple(adjective, pure, whole, united) |
| diminutive(adjective, slight, small, insignificant, unimportant) |
| single(adjective, simple, whole, united) |
| solid(adjective, simple, whole, united) |
| trivial(adjective, slight, important, small, unimportant) |
| undivided(adjective, simple, whole, united) |
| uniform(adjective, simple, whole, united) |
| integral(adjective, simple, whole, united) |
| atom |
| atomlike |
| corpuscular(adjective, smallness, littleness) |
| elemental(adjective, simple, pure, whole, united) |