基き剤ざい

noun

base; vehicle

Pharmaceutical term for the inactive substance that carries the active ingredient in preparations such as ointments, creams, or suppositories.

• この軟なん膏こうの基き剤ざいはワセリンです。

  The base of this ointment is petrolatum.

• 坐ざ剤ざいの基き剤ざいにはカカオ脂しが使つかわれることがある。

  Cocoa butter is sometimes used as a base for suppositories.