Hyoliths […] have a small, conical calcium carbonate shell, with a lid called an operculum.
Source: wiktionary
Operculum
//oʊˈpɝ.kjə.ləm//
Synonyms for "operculum" (5 found)
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
1 entriesRelated terms
1 entriesderived
5 entrieshas context
2 entriesis a
2 entriesrelated to
12 entriesTranslations
21 translations across 15 languages.
Aleut
1 entries- hmuqatix̂ noun ((zoology) covering flap in animals)
Catalan
1 entries- opercle noun ((zoology) covering flap in animals)
Chinese Mandarin
1 entries- 厴 /厣 noun ((zoology) covering flap in animals)
Czech
2 entries- skřele noun ((zoology) covering flap in animals)
- žaberní víčko noun ((zoology) covering flap in animals)
Finnish
1 entries- kiduskansi noun ((zoology) covering flap in animals)
French
1 entries- opercule noun ((zoology) covering flap in animals)
Irish
2 entries- clúidín noun ((zoology) covering flap in animals)
- lannach noun ((zoology) covering flap in animals)
Italian
1 entries- opercolo noun ((zoology) covering flap in animals)
Manx
1 entries- bleayst noun ((zoology) covering flap in animals)
Māori
2 entries- kata (of shellfish) noun ((zoology) covering flap in animals)
- kōrama (in shellfish) noun ((zoology) covering flap in animals)
Persian
2 entries- درپوش noun ((zoology) covering flap in animals)
- درپوش noun ((botany) lidlike portion on a sporangium or fruit that detaches)
Portuguese
1 entries- opérculo noun ((zoology) covering flap in animals)
Russian
3 entries- жа́берная кры́шка noun ((zoology) covering flap in animals)
- оболо́чка noun ((zoology) covering flap in animals)
- покры́шка noun ((zoology) covering flap in animals)
Spanish
1 entries- opérculo noun ((zoology) covering flap in animals)
Tagalog
1 entries- unya noun ((zoology) covering flap in animals)
Sample sentences
2 total sentences available.
I lifted the circular operculum from its place and laid it carefully on the bale.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.