r 1 a 1 d 2 i 1 o 1 a 1 c 3 t 1 i 1 v 4 i 1 t 1 y 4
13 letters · 22 points in Scrabble
Meaning
noun the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
originFrom radioactive + -ity or radio- + activity.
Etymology from Wiktionary, CC BY-SA 3.0
Words from these letters
- vorticity 17
- activity 16
- cavitary 16
- voracity 16
- viridity 15
- victory 15
- activator 14
- acridity 14
- caryatid 14
- avidity 14
- cavity 14
- covary 14