Disinfection-A physical or chemical means of killing microorganisms, but not necessarily spores. Microbicide -A chemical or mixture of chemicals that kills microorganisms. The term is often used in place of “ biocide”,“ chemical germicide”or“ antimicrobial” Sporocide -A chemical or mixture of chemicals used to kill microorganisms and spores Sterilization -A process that kills and/or removes all classes of microorganisms and spores.Disinfection – A physical or chemical means of killing microorganisms, but not necessarily spores. Microbicide – A chemical or mixture of chemicals that kills microorganisms. The term is often used in place of “biocide”, “chemical germicide” or “antimicrobial”. Sporocide – A chemical or mixture of chemicals used to kill microorganisms and spores. Sterilization – A process that kills and/or removes all classes of microorganisms and spores