Mechanical

1. Pertaining to, governed by, or in accordance with, mechanics, or the laws of motion; pertaining to the quantitative relations of force and matter, as distinguished from mental, vital, chemical, etc.; as, mechanical principles; a mechanical theory; mechanical deposits.
2. A mechanic.
3. Done as if by a machine; uninfluenced by will or emotion; proceeding automatically, or by habit, without special intention or reflection; as, mechanical singing; mechanical verses; mechanical service.
4. Made and operated by interaction of forces without a directing intelligence; as, a mechanical universe.
5. Obtained by trial, by measurements, etc.; approximate; empirical. See the 2d Note under Geometric.