any substance involved in metabolism (either as a product of metabolism or as necessary for metabolism) | the real physical matter of which a person or thing consists |
| a particular kind or species of matter with uniform properties |
| the property of holding together and retaining its shape |
| the idea that is intended |
| the choicest or most essential or most vital part of some idea or experience |
| content communicating a message; what something is about |
| considerable capital (wealth or income) |
| material of a particular kind or constitution |