| concerned with actual use or practice | designed for or capable of a particular function or use |
| having or put to a practical purpose or use | involving or affecting function rather than physiology |
| guided by practical experience and observation rather than theory | relating to or based on function especially as opposed to structure |
| being actually such in almost every respect | (of e.g. a machine) performing or capable of performing |
| | designed for or adapted to a function or use |
| | fit or ready for use or service |