radioactivity
radioactivity is a valid 13-letter word worth 22 points in Scrabble and 23 in Words With Friends.
Meaning
What does radioactivity mean?
A valid word accepted in tournament Scrabble and Words With Friends play.
- noun
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
Anagrams
Anagrams of radioactivity
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Word lists