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heart·worm
 heartworm
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- pronunciation:
- hart
wuhrm
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noun |
| definition 1: |
a parasitic worm (Dirofilaria immitis) transmitted by mosquitos that infects the pulmonary arteries and heart of mammals, esp. dogs.
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| definition 2: |
the condition resulting from infection with heartworms, characterized by respiratory symptoms and fatigue.
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