Opium is dried out tree-milk obtained by slashing immature unripe cocoons of opium poppy. It is used in medicine and especially in the preparation of illegal narcotic drugs.
Generalic, Eni. "Opium." Croatian-English Chemistry Dictionary & Glossary. 20 Oct. 2018. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
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