iron concrete

13 LETTERS · STARTS WITH I

iron concrete is a valid 13-letter word worth 16 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1R1O1N1C3O1N1C3R1E1T1E1

1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does iron concrete mean?