Definition of clonazepam
: a benzodiazepine C15H10ClN303 used especially as an anticonvulsant in the treatment of epilepsy
Origin and Etymology of clonazepam
chlor- + phenyl + -azepam (as in diazepam)
First Known Use: 1970
Seen and Heard
What made you want to look up clonazepam? Please tell us where you read or heard it (including the quote, if possible).