Definition of celiac disease noun from the Oxford Advanced American Dictionary

 

celiac disease

 noun
noun
NAmE//ˈsiliæk dɪˌziz//
 
[uncountable]
 
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a disease in which someone cannot digest food (= break it down in their body) because their body is very sensitive to gluten (= a substance that is found in flour, especially wheat flour)
See the Oxford Advanced Learner's Dictionary entry: celiac disease