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neisseria

noun

neisseria is a noun meaning “Any of several Gram-negative bacteria of the genus Neisseria” (English Wiktionary, September 2026). It is spelled N-E-I-S-S-E-R-I-A, and it appears about once in every 9 million words in written English (wordfreq, 2021 data). The plural of neisseria is neisserias or neisseriae.

What does neisseria mean?

noun

  1. 1

    Any of several Gram-negative bacteria of the genus Neisseria.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of neisseria

  • neisserias plural
  • neisseriae plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is neisseria?

Neisseria appears about once in every 9 million words in written English, the 91,522nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Where does neisseria come from?

From the genus name Neisseria.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).