1.
medicine, pharmaceutical, chemical agent
A prepared medicine or chemical substance used for medical treatment, scientific research, or industrial purposes. More technical than 薬, and often used in professional or scientific contexts.
薬剤師に相談する。
Consult a pharmacist.
この薬剤は副作用が少ないと言われている。
This pharmaceutical is said to have few side effects.
新しい薬剤の開発には長い年月と膨大な費用がかかる。
Developing a new pharmaceutical takes many years and enormous costs.
USAGE NOTE:
薬剤 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 is preferred.
COMMON COLLOCATIONS:
- 薬剤師 (pharmacist)
- 薬剤を投与する (administer a drug)
- 薬剤耐性 (drug resistance)
- 薬剤散布 (spraying chemicals)
SIMILAR WORDS:
- 薬: medicine (everyday term)
- 医薬品: pharmaceutical product (regulatory/official term)
- 薬品: chemicals (broader, includes non-medical chemicals)