heartworm

H4E1A1R1T1W4O1R1M3

noun

A parasitic organism that afflicts dogs, of species Dirofilaria immitis of roundworms.

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Meanings

nounheartworm (countable and uncountable, plural heartworms)

plural heartworms

  1. countableuncountablebiologyA parasitic organism that afflicts dogs, of species Dirofilaria immitis of roundworms.
  2. countableuncountablebiology(uncountable) The condition caused by this organism.

Origin

From heart + worm.

Full word history & related roots →

Translations

Chinese Mandarin 心絲蟲 /心丝虫
  • 心絲蟲 /心丝虫 (xīnsīchóng)parasitic organism
Finnish sydänmato
  • sydänmatoparasitic organism
German Herzwurm
  • Herzwurmparasitic organism
Hungarian szívféreg, szívférgesség
  • szívféregparasitic organism
  • szívférgességparasitic organism
Russian серде́чный червь
  • серде́чный червь (serdéčnyj červʹ)parasitic organism

Rhymes & wordplay

Anagrams

earthworm
Cite this entry
APA

heartworm. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/heartworm

MLA

“heartworm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heartworm. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “heartworm,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/heartworm.

Source: heartworm on Wiktionary, CC BY-SA 4.0.