noun
soil and freshwater protozoa; cosmopolitan in distribution
• Syn: ↑family Arcellidae
• Hypernyms: ↑protoctist family
• Member Holonyms: ↑Testacea, ↑order Testacea
• Member Meronyms: ↑genus Arcella
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\\-əˌdē\ noun pluralUsage: capitalized
: a cosmopolitan family of soil and freshwater protozoans related to the amoebas but commonly enclosed in a test — see arcella
Useful english dictionary. 2012.