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
From 'Radio-' (relating to radiation) + 'aktiv' (active). It's an international scientific term.
Memory Tips
Think of a 'radio' that is so 'active' it glows. The '-er' ending is used for masculine singular nominative nouns, like 'radioaktiver Abfall' (radioactive waste).