trans·mis·sive \tran(t)ˈsmisiv, traan-, -nzˈm-, -sēv also -səv\adjective Etymology: Latin transmissus (past participle of transmittere to transmit) + English -ive 1.: that transmits or serves to transmit < the transmissive function of the nerves > < the transmissive powers of a legislature > 2.: that is or is capable of being transmitted or derived < transmissive characteristics >