noun
Pharmaceutical term for the inactive substance that carries the active ingredient in preparations such as ointments, creams, or suppositories.
この軟膏の基剤はワセリンです。
The base of this ointment is petrolatum.
坐剤の基剤にはカカオ脂が使われることがある。
Cocoa butter is sometimes used as a base for suppositories.