DIPLOCOCCUS Meaning of DIPLOCOCCUS in English [ ˌdɪplə(ʊ)'kɒkəs ]■ noun ( plural diplococci -k(s)ʌɪ , -k(s)i: ) a bacterium that occurs as pairs of cocci, e.g. pneumococcus. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004