Definition of neisserial in US English:

neisserial

adjective

  • Caused by bacteria of the genus Neisseria; of, relating to, or belonging to the genus Neisseria.

Origin

1950s; earliest use found in Annual Review of Microbiology. From Neisseria + -al.

Pronunciation

neisserial

/ˌnʌɪˈsɪərɪəl/