oxycodone UK /ˌɒk.siˈkəʊ.dəʊn/US /ˌɑk.siˈkoʊˌdoʊn/ noun1 •An addictive, semisynthetic opioid (trademark OxyContin) that is similar to morphine in effect and structure; C₁₈H₂₁NO₄.They ingest Ambien, Seroquel, LSD, Adderall, Oxycodone, cocaine, Flexeril, Percocet, psilocybin mushrooms and codeine. — 2013
