Definition of meningococcus in English:

meningococcus

Syllabification: me·nin·go·coc·cus
Pronunciation: /məˌniNGɡōˈkäkəs
 
/

noun (plural meningococci /-ˈkäksī, -ˈkäksē/)

A bacterium involved in some forms of meningitis and cerebrospinal infection.
More example sentences
  • The illness is caused by bacteria, called meningococci, which invade the linings of the brain, causing severe inflammation that can be fatal.
  • Neisseria meningitidis, the meningococcus, is a globally distributed cause of bacterial meningitis and septicemia.
  • Overcrowding provides ideal conditions for transmission of meningococci.

Origin

late 19th century: from meninges + coccus.

Derivatives

meningococcal

Pronunciation: /-ˈkäkəl/
adjective
More example sentences
  • The three cases are all believed to be bacterial, caused by the meningococcal bacteria, but the strains involved have not been confirmed.
  • The new vaccine does not protect against meningococcal disease caused by serogroup B bacteria.
  • The most common forms of the bug were now strain C of the bacterial meningococcal meningitis and its blood poisoning relative, septicaemia.

Definition of meningococcus in:

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Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit