👉 Nondepletion is a concept in physics that refers to the absence of an object or substance at any given time. It is often used in discussions about conservation laws and energy conservation, where it describes how objects do not consume their own energy but instead store it for future use. In more modern terms, nondepletion is the ability of a substance to retain its chemical properties over time without undergoing any irreversible changes or processes that would cause it to become depleted.