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[fi-lair-ee-uh] /fɪˈlɛər i ə/
noun, plural filariae
[fi-lair-ee-ee] /fɪˈlɛər iˌi/ (Show IPA)
any small, threadlike roundworm of the family Filariidae and related families, carried as a larva by mosquitoes and parasitic when adult in the blood or tissues of vertebrates.
Origin of filaria
< New Latin (1787), equivalent to Latin fīl(um) thread + -āria -aria Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for filaria
Historical Examples
  • On the metamorphosis of the young form of filaria bancrofti in the body of Culex ciliaris.

    Handbook of Medical Entomology William Albert Riley
  • Redi also noticed a species of filaria beneath the skin of the lion.

    Parasites T. Spencer Cobbold
  • In certain cases the lymph trunks have been found to be blocked with the parent worms of the filaria Bancrofti.

    Manual of Surgery Alexis Thomson and Alexander Miles
  • From an earwig I obtained a filaria nearly five inches in length.

    Parasites T. Spencer Cobbold
  • Some of the Annelida, as filaria and Lumbricus, he also regarded as insects.

  • Several other species of filaria have been found in the human body, but are little known and very rare in their occurrence.

  • Not improbably these were all sexually-imperfect female examples of filaria acuta hitherto found in the abdomen of grebes.

    Parasites T. Spencer Cobbold
  • The guinea-worm (filaria medinensis) is a very troublesome parasite, which sometimes grows to a length of three feet.

  • He has definite information with regard to Bubonic plague and the filaria medinensis.

    Medieval Medicine James J. (James Joseph) Walsh
  • The longitudinal type characterises such genera as Vibrio, filaria, Gordius, and all the annulate animals.

    Form and Function E. S. (Edward Stuart) Russell
British Dictionary definitions for filaria


noun (pl) -iae (-ɪˌiː)
any parasitic nematode worm of the family Filariidae, living in the blood and tissues of vertebrates and transmitted by insects: the cause of filariasis
Derived Forms
filarial, filarian, adjective
Word Origin
C19: New Latin (former name of genus), from Latin fīlum thread
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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filaria in Medicine

filaria fi·lar·i·a (fə-lâr'ē-ə)
n. pl. fi·lar·i·ae (-ē-ē')
Any of various threadlike nematode worms of the superfamily Filarioidea parasitic in vertebrates and often transmitted as larvae by biting insects. The adult form lives in the blood and lymphatic tissues, causing inflammation and obstruction that can lead to elephantiasis.

fi·lar'i·al (-ē-əl) or fi·lar'i·an (-ē-ən) adj.

Filaria n.
A genus of nematodes no longer in taxonomic use and whose members are now classified in the family Onchocercidae.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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filaria in Science
Plural filariae (fə-lâr'ē-ē')
Any of various slender, threadlike nematode worms of the superfamily Filarioidea that are parasitic in vertebrates and are often transmitted as larvae by mosquitoes and other biting insects. The adult form lives in the blood and lymphatic tissues and can cause inflammation and obstruction of lymphatic vessels.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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