👉 Solidum is a Latin word meaning "solid" or "fixed," referring to a state of being fixed, stable, or unchangeable. It is often used in mathematical and scientific contexts to denote a property that remains constant under certain conditions. In other words, it refers to the fact that an object or system remains unchanged over time or under certain conditions, regardless of its initial state or external influences. This concept can be applied in various fields such as physics, engineering, biology, economics,