radioaktív

Etymology
. Coined by Marie Curie after the phenomenon of radioactivity was discovered by Henri Becquerel French physicist. , compare 🇨🇬, 🇨🇬, 🇨🇬.

Adjective

 * 1)  radioactive

Usage notes
The radio- prefix is spelled with short a and o in Hungarian compound words. However, it can be pronounced both short and long. The long pronunciation is influenced by the noun.