noun ar·cel·la \ärˈselə\

Definition of arcella

  1. 1 capitalized :  the type genus of Arcellidae comprising protozoans resembling amoebas and provided with a chitinous shell suggesting an umbrella

  2. 2 plural -s :  a protozoan of the genus Arcella

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Origin and Etymology of arcella

New Latin, from Latin arca box, chest + New Latin -ella

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a brief usually trivial fact

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