proovinähtus
Proovinähtus refers to a phenomenon or event that serves as a test or indication of something larger or more significant. In scientific contexts, it often describes an observable result or characteristic that suggests the presence or behavior of a particular substance, process, or condition. For example, a specific color change in a chemical reaction might be a proovinähtus indicating the completion of the reaction or the presence of a certain ion.
In a broader sense, proovinähtus can also apply to everyday observations. A sudden change in weather patterns