[coc.cid.i.um] n, pl -ia [NL, dim. of coccus] (ca. 1879): any of an order (Coccidia) of protozoans usu. parasitic in the digestive epithelium of vertebrates
COCCIDIUM
Meaning of COCCIDIUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012