薬 剤(やくざい)

やくざい

noun

medicine, pharmaceutical, chemical agent

formalmedical

1. medicine, pharmaceutical, chemical agent

A prepared medicine or chemical substance used for medical treatment, scientific research, or industrial purposes. More technical than 薬(くすり), and often used in professional or scientific contexts.

薬剤(やくざい)師(し)に相談(そうだん)する。

Consult a pharmacist.

この薬剤(やくざい)は副作用(ふくさよう)が少(すく)ないと言(い)われている。

This pharmaceutical is said to have few side effects.

新(あたら)しい薬剤(やくざい)の開発(かいはつ)には長(なが)い年月(ねんげつ)と膨大(ぼうだい)な費用(ひよう)がかかる。

Developing a new pharmaceutical takes many years and enormous costs.

Usage

薬剤(やくざい) is a formal, technical term for medicines and chemical agents. It is far more common in professional, medical, and scientific contexts than in everyday speech, where 薬(くすり) is preferred.

Common collocations

薬剤(やくざい)師(し) (pharmacist)
薬剤(やくざい)を投与(とうよ)する (administer a drug)
薬剤(やくざい)耐性(たいせい) (drug resistance)
薬剤(やくざい)散布(さんぷ) (spraying chemicals)

Similar words

薬(くすり): medicine (everyday term)
医薬品(いやくひん): pharmaceutical product (regulatory/official term)
薬品(やくひん): chemicals (broader, includes non-medical chemicals)

Related Words

Related: 薬(くすり) (medicine (everyday))

Compare: 医薬品(いやくひん) (pharmaceutical product)

Compare: 薬品(やくひん) (chemicals)

Compare: 薬物(やくぶつ) (drug, chemical substance)

general

Added 2026.2.28 9:47 · Revised 2026.9.2 13:01

14000/14100_yakuzai