| ingredient(noun, feature, part, element) |
| item(noun, feature, part, element) |
| matter(noun, feature, part, element) |
| member(noun, feature, part, element) |
| particle(noun, feature, part, element) |
| particular(noun, feature, part, element) |
| piece(noun, feature, part, element) |
| portion(noun, feature, part, element) |
| principle(noun, feature, part, element) |
| root(noun, feature, part, element) |
| section(noun, feature, part, element) |
| stem(noun, feature, part, element) |
| subdivision(noun, feature, part, element) |
| trace(noun, feature, part, element) |
| unit(noun, feature, part, element) |
| view(noun, feature, part, element) |
| inorganic chemistry |
| materials chemistry |
| mixture(noun, substance, material, element, mineral) |
| surface(noun, verb, substance, material, element) |