oxazepam
/ˌɒkˈseɪzɪpam/ /ɒkˈsazɪpam/Pharmacology
noun
A drug of the benzodiazepine group, used to treat anxiety states and insomnia; 7-chloro-1,3-dihydro-3-hydroxy-5-phenyl-1,4-benzodiazepin-2-one, C15H11ClN2O2.
Origin
1960s; earliest use found in Journal Pharmaceutical Science. From oxy- + -azepam.