coel·iac disease (BrE) (NAmEceliac disease) BrE/ˈsiːliæk dɪziːz/NAmE/ˈsiːliæk dɪziːz/noun[U]adiseaseinwhichsbcannotdigest because their body is very sensitive to glutenfood(= breakitdownintheirbody)becausetheirbodyisverysensitivetogluten(= asubstancethatisfoundinflour, especiallywheatflour)乳糜泻(因麸质过敏引起的消化不良)