Transpassive Region Posted on 23rd December 201514th November 2023 by ThePD (The Project Definition) Transpassive Region is the region of an anodic polarisation curve in which metal dissolution increases as the potential becomes noble. 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 Science and tagged chemistry, corrosion. 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.