hard rubber

NOUN /hɑrd_'rəbər/
11 LETTERS · 2 SYLLABLES · STARTS WITH H

hard rubber is a valid 11-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
H4A1R1D2R1U1B3B3E1R1
4 + 1 + 1 + 2 + 0 + 1 + 1 + 3 + 3 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does hard rubber mean?

NOUN · 1 SENSE
1

A hard nonresilient rubber formed by vulcanizing natural rubber.