kupferfrei
Translation
copper-free
Examples
Wir verwenden nur kupferfreie Bremsbeläge.
We only use copper-free brake pads.
Diese Legierung ist vollständig kupferfrei.
This alloy is completely copper-free.
Grammar Patterns
((a)) copper-free ((noun)) This is a copper-free material.
Similar Words
Antonyms: kupferhaltig (containing copper)
Etymology
A compound of 'Kupfer' (copper) and 'frei' (free).
Memory Tips
Break it down: 'Kupfer' (copper) + 'frei' (free). It works just like English compounds such as 'sugar-free' or 'duty-free'.