unionid
unionid noun: any member of the family Unionidae of bivalves.
Noun
unionid (plural unionids)
- Any member of the family Unionidae of bivalves.
Adjective
unionid (comparative more unionid, superlative most unionid)
- Relating to, resembling, or characteristic of a member of the family Unionidae of bivalves.
- Mr. C[harles] T[orrey] Simpson states that no Mutelid, known to be such, has the Unionid type of hinge.1890 August, William Healey Dall, “Family Mutelidæ”, in Contributions to the Tertiary Fauna of Florida, […] (Transactions of the Wagner Free Institute of Science of Philadelphia; 3), part I...
- The present study began with the discovery of metacercariae in the edge of the mantle of unionid bivalves collected from the Tippecanoe River, Indiana.1951 June, Philip G[ordon] Seitner, “The Life History of Allocreadium ictaluri Pearse, 1924 (Trematoda: Digenea)”, in The Journal of Parasitology […], volume XXXVII, number 3, Chicago, Ill.: American...
- Synonyms:
- unioniform, unionoid
Synonyms of unionid
Forms of unionid
| Noun | |
|---|---|
| plural | unionids |
| Adjective | |
| comparative | more unionid |
| superlative | most unionid |
Origin of unionid
From taxonomic name Unionidae. Compare unionoid.
Questions about unionid
- What does unionid mean?
- Unionid means any member of the family Unionidae of bivalves.
- What part of speech is unionid?
- Unionid can be a noun or an adjective.
- What is the plural of unionid?
- The plural of unionid is unionids.
Words near unionid in the dictionary
Source and license
Adapted from Wiktionary: unionid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “unionid.” Word.ws, https://word.ws/unionid. Based on Wiktionary, CC BY-SA 4.0.