An Allotrope is a form of a chemical elemental that exist in the same state (solid, liquid or gas) but have different properties. (e.g., carbon solid: graphite, charcoal, and diamond)
Related Definitions in the Project: The Property and Unit
Allotrope
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.