passive air defense

NOUN
19 LETTERS · STARTS WITH P

passive air defense is a valid 19-letter word worth 26 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3A1S1S1I1V4E1A1I1R1D2E1F4E1N1S1E1
3 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 1 + 0 + 2 + 1 + 4 + 1 + 1 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does passive air defense mean?

NOUN · 1 SENSE
1

Air defense by the use of deception or dispersion or protective construction.