1) Antiseptic 2) Bactericidal 3) Disinfectant 
• (a.) Germicide.
Synonym for germicide ... <pharmacology> An agent that kills pathogenic microorganisms. ... (18 Nov 1997) ... 
Ger'mi·ci`dal (jẽr'mĭ*sī`d a l) adjective Germicide. 
All biological organisms contain DNA. DNA is essential to reproduction. Optical radiation in the UVC range is capable of breaking the molecular bonds within DNA effectively killing microorganisms. Germicidal UV lamps are used for water treatment, sterilization of foods and their containers, and air purification, especially in hospital environments....
Type: Term Pronunciation: jer′mi-sī′dăl Synonyms: germicide1
germicide, germicidal 1. That which kills germs; specifically, an agent used to destroy disease-germs. 2. Destructive to germs. Related 'death, dead; kill' units: lethal-; mort-; neci-; necro-; phono-; thanato-.germicidal, gemicide 1. Preventing infection by inhibiting the growth or action of micro-organisms. 2. An agent that kills pathogenic micro-organisms.
A substance that has the ability to kill germs.
Destroys germs, typically bacteria.