麻ま酔すい剤ざい

noun

anesthetic; narcotic

Refers to a substance that induces anesthesia or numbing, used in medical contexts. The term is neutral and technical.

• 手しゅ術じゅつの前まえに麻ま酔すい剤ざいを投とう与よします。

  An anesthetic is administered before surgery.

• この麻ま酔すい剤ざいは局きょく所しょ麻ま酔すいに使つかわれます。

  This anesthetic is used for local anesthesia.