What is the English translation of the German word "Alterung"?

The English translation of the German word "Alterung" is "ageing." In this context, "Alterung" refers to the process of becoming older or the changes that occur as an entity ages. This can pertain to various contexts, including biological, physical, or even material properties, where ageing denotes deterioration or changes over time due to the passage of time or environmental factors.

For example, in a biological context, "Alterung" could describe the ageing process of living organisms, while in materials science, it may refer to how the characteristics of materials, such as metals or plastics, change as they are exposed to different conditions over time. This makes the translation "ageing" not only linguistically accurate but also relevant in various technical discussions regarding time-dependent changes.