Short for influenza. The flu is caused by viruses that infect the respiratory tract which are divided into three types, designated A, B, and C. Most people who get the flu recover completely in 1 to 2 weeks, but some people develop serious and potentially life-threatening medical complications, such as pneumonia. Much of the illness and death caused by influenza can be prevented by annual influenza vaccination.
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SYN: influenza.
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fluconazole; flumazenil; flunitrazepam; 5-fluorouracil; fluphenazine; flutamide; fluoxetine

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flu 'flü n
2) any of several diseases caused by bacteria or viruses and marked esp. by respiratory or intestinal symptoms see INTESTINAL FLU
flu·like -.līk adj

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(floo) popular name for influenza.

Medical dictionary. 2011.

Look at other dictionaries:

  • flu — [flu:] n [U] [Date: 1800 1900; Origin: influenza] a common illness that makes you feel very tired and weak, gives you a sore throat, and makes you cough and have to clear your nose a lot = ↑influenza ▪ Steven s still in bed with flu . ▪ She s got …   Dictionary of contemporary English

  • flu — [ flu ] noun uncount * a very common infectious disease that lasts a short time and makes you feel hot or cold, weak, and tired: INFLUENZA: He s in bed with flu. the flu: I ve got the flu …   Usage of the words and phrases in modern English

  • flu- — ⇒FLU(O) , FLUOR , (FLU , FLUO )élément de compos. Élém. de compos. toujours vivant, tiré de fluor, servant à construire des termes de chim. dont le signifié a un rapport avec le fluor. I. [Forme flu(o) ] A. [Sert à former des adj. Le 2e élém. est …   Encyclopédie Universelle

  • flu — adj. invar., s.n. 1. adj. invar. (Despre îmbrăcăminte) Vaporos. 2. adj. invar. (Despre imagini) Cu contururi imprecise, estompate. 3. s.n. Efect fotografic care dă evanescenţă contururilor. [Scris şi: flou] – Din fr. flou …   Dicționar Român

  • flu — 1839, flue, shortening of INFLUENZA (Cf. influenza). Spelling flu attested from 1893. For choice of middle syllable, not a common method of shortening in English, Weekley compares tec for detective, scrip for subscription …   Etymology dictionary

  • flü — flü·gel; flü·gel·horn; …   English syllables

  • flu — a 19c shortening of influenza, is used (with or without the) as often as the full form, except in more formal contexts. The older form flu (with initial apostrophe) has dropped out of use …   Modern English usage

  • Flu- — ↑ Fluor (1) …   Universal-Lexikon

  • flu — [fluː] noun [U] a very common infectious disease that lasts for a short time and makes you feel weak and tired …   Dictionary for writing and speaking English

  • flu — /flu / (say flooh) noun → influenza. –fluey, adjective …   Australian English dictionary

  • flu- — *flu germ., schwach. Verb: nhd. schwimmen, spielen?; ne. swim (Verb); Rekontruktionsbasis: ahd.; Hinweis: s. *flauma ; Etymologie: s. ing. *pleu , Verb, rinnen, fli …   Germanisches Wörterbuch

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