immune system
NOUN
13 LETTERS · STARTS WITH I
immune system is a valid 13-letter word worth 21 points in Scrabble and 25 points in Words with Friends.
SCRABBLE
WORDS WITH FRIENDS
I1M3M3U1N1E1S1Y4S1T1E1M3
1 + 3 + 3 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING
What does immune system mean?
NOUN · 1 SENSE
1
A system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response.
BROADER