pneumococcus pneu·mo·coc·cus (nōō'mə-kŏk'əs, nyōō'-)
n. pl. pneu·mo·coc·ci (-kŏk'sī', -kŏk'ī')
A nonmotile, gram-positive bacterium (Streptococcus pneumoniae) that is the most common cause of bacterial pneumonia and is associated with meningitis and other infectious diseases.
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.