ˌpentəˌlēnˈte.trəˌzȯl, -zōl noun
( -s )
Etymology: pent ameth ylene-tetrazol e
: a white crystalline drug C 6 H 10 N 4 used as a respiratory and circulatory stimulant and for producing a state of convulsion in treating certain mental disorders; pentamethylene-tetrazole