Tetrahedral Posted on 23rd December 20156th May 2021 by ThePD (The Project Definition) Tetrahedral means the molecular geometry that have one atom in centre and four atoms at the corners of a tetrahedron. 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, science. 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.