stupefacient

Stu`pe*fa"cient, a. Etym: [L. stupefaciens, p.pr. of stupefacere to stupefy; stupere to be stupefied + facere to make. Cf. Stupefy.] [Written also stupifacient.] Defn: Producing stupefaction; stupefactive. -- n. (Med.) Defn: Anything promoting stupefaction; a narcotic.

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