Germicidal Posted on 13th November 20152nd September 2020 by ThePD (The Project Definition) Germicidal is a disinfectant agent that kills germs as heat, radiation, or a chemical that destroys microorganisms that might carry disease. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in HSE and tagged health. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.