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influenza

Pronunciation: /ɪnflʊˈɛnzə/

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Definition of influenza

noun

[mass noun]
  • a highly contagious viral infection of the respiratory passages causing fever, severe aching, and catarrh, and often occurring in epidemics.

Derivatives

influenzal

adjective

Origin:

mid 18th century: from Italian, literally 'influence', from medieval Latin influentia (see influence). The Italian word also has the sense 'an outbreak of an epidemic', hence 'epidemic'. It was applied specifically to an influenza epidemic which began in Italy in 1743, later adopted in English as the name of the disease

influenza in other Oxford dictionaries

Definition of influenza in the US English dictionary