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