o‧pi‧um /ˈəʊpiəm $ ˈoʊ-/
noun [uncountable][
Date: 1300-1400;
Language: Latin;
Origin: Greek opion, from opos 'plant juice']
a powerful illegal drug made from
poppy seeds. Drugs made from opium are used to reduce severe pain. ⇒
heroin [TahlilGaran] Dictionary of Contemporary English ▲