respiratory disease

NOUN /rɛspərə,toʊri_dɪ'ziz/
19 LETTERS · STARTS WITH R

respiratory disease is a valid 19-letter word worth 24 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1S1P3I1R1A1T1O1R1Y4D2I1S1E1A1S1E1
1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does respiratory disease mean?