radioactivity

ra·di·o·ac·tiv·i·ty
UK: /ɹˌe‍ɪdɪə‍ʊæktˈɪvɪti/   US: /ˈɹeɪdioʊˌækˌtɪvəˌti/
nafnorð
  • geislavirkni

Samheiti: radiation