👉 Lithified is a geological term that refers to an object or substance which has been subjected to mechanical force, such as pressure or impact. This process can lead to changes in its physical properties, such as shape, size, and texture. For example, if you were to break down a rock into smaller pieces using a hammer or other tool, the material would be subject to mechanical stress and, over time, it could become lithified. In this case, the rock would have lost its