The bottom part of the capsule shell that contains the solid ingredients.
Capsule lid
The top part of a two-piece gelatin capsule that fits over the capsule body.
Comminution
The process of reducing particle size.
Eutectic mixture
Two or more chemicals that change from a solid form to a liquid when mixed together.
Geometric dilution
The process of mixing two solid chemicals together by taking equal parts of each in small amounts, mixing them thoroughly, and continuing to add small, equal parts of each until both are thoroughly mixed.
Levigating agent
A substance added to slightly wet powdered ingredients.
Mesh sieve
Sieve that has a number of small holes to allow a certain size of powders to pass through.
Mucilage
A mixture used to hold powders together when compounding lozenges.
Protectant
An agent, such as starch or talc, that is added to ingredients that may form an eutectic micture if triturated together (prevents two or more chemicals from reacting when mixed).
Spatulation
The process of mixing an ointment on an ointment slab with a spatula to ensure uniformity of particles.
Trituration
The process of reducing particle size using a mortar and pestle.
Tumbling
Mixing powders by placing them in a plastic bag or large jar and rotating it until mixing is completed.