radioactivity unit

NOUN
18 LETTERS · STARTS WITH R

radioactivity unit is a valid 18-letter word worth 26 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1A1D2I1O1A1C3T1I1V4I1T1Y4U1N1I1T1
1 + 1 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 4 + 0 + 1 + 1 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does radioactivity unit mean?

NOUN · 1 SENSE
1

A measure of radioactivity.