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appendicolith

American  
[a-puhn-dik-uh-lith] / ˌæ pənˈdɪk ə lɪθ /

noun

plural

appendicoliths
  1. Pathology. a stone made of calcified feces that can occur in the appendix, and is sometimes associated with appendicitis; a fecalith found in the appendix.