7. In pharmacy, any medicinal substance fitted for the use of the patient.

8. In anatomy, the parts of animal bodies prepared and preserved for anatomical uses.

Preparation of dissonances, in music, is their disposition in harmony in such a manner that by something congenial in what precedes, they may be rendered less harsh to the ear than they would be without such preparation.

Preparation of medicines, the process of fitting any substance for use in the art of healing.