achlor·hyd·ria /ˌeˌklorˈhɪdriə, ˌklɔr-/
  胃酸缺乏
  achlor·hy·dria /ˌeˌklorˈhaɪdrɪə, ˌklɔr-/ 名詞
  無鹽酸症,鹽酸缺乏,無胃酸
  achlorhydria
       n : an abnormal deficiency or absence of free hydrochloric acid
           in the gastric juice; often associated with severe
           anemias and cancer of the stomach