radioactive decay

NOUN /,reɪdioʊ'æktɪv_dɪ'keɪ/
17 LETTERS · 6 SYLLABLES · STARTS WITH R

radioactive decay is a valid 17-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1A1D2I1O1A1C3T1I1V4E1D2E1C3A1Y4
1 + 1 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 2 + 1 + 3 + 1 + 4 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does radioactive decay mean?

NOUN · 1 SENSE
1

The spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation.