heartworm - Dictionary definition and pronunciation - Yahoo! Education

Definition of heartworm

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heart·worm  audio  (härtwûrm) KEY 

NOUN:
  1. A filarial worm (Dirofilaria immitis) transmitted by mosquitoes and parasitic in the heart and associated blood vessels of dogs and other canids.
  2. The condition resulting from infestation with the heartworm.



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