opsonic immunity

16 LETTERS · STARTS WITH O

opsonic immunity is a valid 16-letter word worth 26 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

O1P3S1O1N1I1C3I1M3M3U1N1I1T1Y4

1 + 3 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 4 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does opsonic immunity mean?