insulation resistance

21 LETTERS · STARTS WITH I

insulation resistance is a valid 21-letter word worth 22 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1S1U1L1A1T1I1O1N1R1E1S1I1S1T1A1N1C3E1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does insulation resistance mean?