Main Entry: pneu·mo·coc·cus

Pronunciation: \ˌnü-mə-ˈkä-kəs, ˌnyü-\

Function: noun

Inflected Form(s): plural pneu·mo·coc·ci \-ˈkäk-ˌsī, -ˌsē; -ˈkä-ˌkī, -ˌkē\

Etymology: New Latin

Date: 1890

: a bacterium (Streptococcus pneumoniae) that causes an acute pneumonia involving one or more lobes of the lung

— pneu·mo·coc·cal \-ˈkä-kəl\ adjective