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stupefacient

Pronunciation: /ˌstjuːpɪˈfeɪs(ə)nt/
Medicine
Definition of stupefacient

adjective

  • (chiefly of a drug) causing semi-consciousness.

noun

  • a stupefacient drug.

Origin:

mid 17th century: from Latin stupefacient- 'stupefying', from the verb stupefacere

stupefacient in other Oxford dictionaries

Definition of stupefacient in the US English dictionary

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