Neisseriaceae
noun plural
Neis·ser·i·a·ce·ae
nī-ˌsir-ē-ˈā-sē-ˌē 
: a small family of spherical nonmotile gram-negative bacteria (order Neisseriales) that are obligate parasites of warm-blooded vertebrates
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“Neisseriaceae.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Neisseriaceae. Accessed 26 Nov. 2025.
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