Definition of nidus in English:


Syllabification: ni·dus
Pronunciation: /ˈnīdəs

noun (plural nidi /-ˌdī/ or niduses)

  • 1A place in which something is formed or deposited; a site of origin.
    More example sentences
    • Joni had been the central nidus of her misery from Form One to Form Three.
    • Precipitated bilirubin may form a nidus for subsequent cholesterol deposition.
    • With Helen at the core, his nidus, Don's shiniest facet was as a family man.
  • 1.1 Medicine A place in which bacteria have multiplied or may multiply; a focus of infection.
    More example sentences
    • The central venous catheter, or an associated thrombus, can act as a nidus for infection.
    • Conversely, their longer degradation periods could lead to prolonged discomfort from foreign material that could also provide a nidus for infection.
    • They are predisposed to preoperative airway colonization and altered host defenses, thus creating a nidus for postoperative infection.


early 18th century (in the medical sense 'focus of infection'): from Latin, literally 'nest'.

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