unio

U1N1I1O1

noun

Any of the genus Unio of freshwater mussels

OriginLatin ūniō →
UncommonScrabble 4
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noununio (plural unios)

plural unios

  1. Any of the genus Unio of freshwater mussels

    In June, 1850, a living pond mussel was sent to Dr. Gray from Australia which had been kept out of water more than a year, and instances of the survival of unios without moisture for long periods are not rare.

    1894 May, “Sleep of mollusks”, in Popular Science, volume 45, number 1, page 99

Origin

  1. Latinūniō“large pearl”
  2. Englishunio

From the genus name, Unio, from Latin ūniō (“large pearl”). Doublet of union.

More words from Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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