Standard Lemma guide

echinococcus

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ɪˌkaɪ.nəˈkɑk.əs/
  • rhymes with -ɒkəs

1

noun

Meaning 1

A parasite of humans and of many domestic and wild animals, thought to be the larval stage of Echinococcus granulosus, that forms compound cysts or tumours (called hydatid cysts) in various organs, but especially in the liver and lungs.

Definition source: English Wiktionary via Wiktextract

Usage: archaic

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

tapeworms whose larvae are parasitic in humans and domestic animals

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: tapeworm, cestode

History

Etymology

Borrowed from translingual Echinococcus, from echino- (“sea urchin, prickle”) + -coccus (“spherical microorganism”).

Across languages

Translations

3 source translations are retained for this English entry.

  • French: échinocoque — parasite
  • Greek: εχινόκοκκος (echinókokkos) — parasite
  • Russian: эхиноко́кк (exinokókk) — parasite