This is the 10440th most frequent German word.
quecksilber
Mercury (the chemical element).
The word 'Quecksilber' is used as a noun to refer to the element mercury in a scientific context.
Quecksilber ist ein chemisches Element mit dem Symbol Hg.
Mercury is a chemical element with the symbol Hg.
Here, 'Quecksilber' refers to the substance used in thermometers to measure temperature.
Das Thermometer zeigt die Temperatur durch die Höhe des Quecksilbers an.
The thermometer indicates the temperature by the height of the mercury.
In this sentence, 'Quecksilber' is used to describe waste containing the element mercury, indicating a hazardous material.