This is the 8780th most frequent German word.
kupfercyanid
Copper cyanide: a chemical compound composed of copper and cyanide.
Here, "kupfercyanid" is used to describe the subject of the sentence by specifying its traits and relevance in usage.
Die Eigenschaften von Kupfercyanid machen es wertvoll für bestimmte Anwendungen.
The properties of copper cyanide make it valuable for certain applications.
In this sentence, "kupfercyanid" is the object of the prepositional phrase, denoting the substance being handled and necessitating caution.
Zum sicheren Umgang mit Kupfercyanid ist Schutzkleidung erforderlich.
Protective clothing is necessary for safe handling of copper cyanide.
In this sentence, "kupfercyanid" is used as a subject noun referring to a specific chemical compound.