pharmaceutics
Academic discipline concerned with the design, preparation, and evaluation of pharmaceutical dosage forms.
彼は大学で薬剤学を専攻している。
He is majoring in pharmaceutics at university.
薬剤学 is a narrower field within 薬学 that focuses specifically on drug formulation and dispensing, while 薬学 covers the whole discipline of pharmacy.
Compound of 薬剤 (yakuzai, 'medicine, drug') + 学 (-gaku, 'study, -ology').