liquid limit
Technical term in geotechnical engineering: the water content at which soil changes from a plastic to a liquid state.
The liquid limit is one of the indices used for soil classification.
Please measure the liquid limit of this clay.
Plastic limit: the water content at which soil becomes plastic. Together with the liquid limit, it defines the plasticity index.
Compound of 液性 (liquid property) and 限界 (limit), a direct translation of the English technical term 'liquid limit'.