Puolikiinteän
Puolikiinteän is a Finnish term that translates to "semi-solid" in English. It describes a state of matter that is neither fully solid nor fully liquid, exhibiting properties of both. In a puolikiinteän substance, the particles are not arranged in a rigid, ordered structure like in a solid, nor are they completely free to move past each other like in a liquid. Instead, they are able to flow over long timescales but resist flow over short timescales.
This intermediate state is often characterized by a yield stress, meaning that a certain amount of force