radioaktiver
Translation
radioactive
Examples
Radioaktiver Abfall ist sehr gefährlich.
Radioactive waste is very dangerous.
Ein radioaktiver Stoff wurde gefunden.
A radioactive substance was found.
Grammar Patterns
((adjective)) + noun radioactive... Radioaktiver Müll ist ein Problem.
Similar Words
strahlend (radiating); Antonyms: stabil (stable), inaktiv (inactive)
Etymology
Composed of 'Radio-' (from radiation) and 'aktiv' (active), a widely used international term.
Memory Tips
Picture a 'radio' being hyper-'active' and emitting rays. The '-er' ending typically modifies a masculine singular noun in the nominative case, e.g., 'ein radioaktiver Stoff'.