infectiousness

14 LETTERS · 4 SYLLABLES · STARTS WITH I

infectiousness is a valid 14-letter word worth 19 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1F4E1C3T1I1O1U1S1N1E1S1S1

1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does infectiousness mean?