radio horizon

13 LETTERS · STARTS WITH R

radio horizon is a valid 13-letter word worth 25 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1D2I1O1H4O1R1I1Z10O1N1

1 + 1 + 2 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 10 + 1 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does radio horizon mean?