nondestructive testing

22 LETTERS · STARTS WITH N

nondestructive testing is a valid 22-letter word worth 28 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1D2E1S1T1R1U1C3T1I1V4E1T1E1S1T1I1N1G2

1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 2 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does nondestructive testing mean?