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Words Kanji Guides About

主薬 (しゅやく) Japanese meaning | Kotomora

主しゅ薬やく

しゅ

や

く

Meanings

1

noun

principal agent; active ingredient

medicine

Medical term for the main active component of a drug or remedy.

この薬くすりの主しゅ薬やくはアセトアミノフェンです。
The principal agent in this medicine is acetaminophen.

Kanji

主lord, chief, master
薬medicine, chemical, enamel

Similar words

有ゆう効こう成せい分ぶん
有効成分 is a broader term for any active ingredient, while 主薬 specifically refers to the main or principal agent in a pharmaceutical context.

Etymology

Compound of 主 (main) and 薬 (medicine). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning 'principal agent in a medicine'.