respiratory disorder

NOUN
20 LETTERS · STARTS WITH R

respiratory disorder is a valid 20-letter word worth 26 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1S1P3I1R1A1T1O1R1Y4D2I1S1O1R1D2E1R1
1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 1 + 1 + 2 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does respiratory disorder mean?