flurazepam flu·ra·ze·pam US/flɚˈɹæz.əˌpæm/ uncommon noun 1. tranquilizer (trade name Dalmane) used to treat insomnia Synonymsflurazepam hydrochlorideDalmane Related words Word family flurazepam hydrochloride Broader terms minor tranquilizer WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.