CHLORCYCLIZINE

(ˈ)klōrˈsīkləˌzēn, -_zə̇n noun

( -s )

Etymology: chlor- + cycl- + i- + pipera zine

: a cyclic antihistaminic agent C 18 H 21 ClN 2 , administered as the hydrochloride; 1-( p -chloro-benzhydryl)-4-methyl-piperazine