Akademik

arcella
noun
an amoeba-like protozoan with a chitinous shell resembling an umbrella
• Hypernyms: ↑protozoan, ↑protozoon
• Member Holonyms: ↑genus Arcella

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\\ärˈselə\ noun
Etymology: New Latin, from Latin arca box, chest + New Latin -ella
1. capitalized : the type genus of Arcellidae comprising protozoans resembling amoebas and provided with a chitinous shell suggesting an umbrella
2. -s : a protozoan of the genus Arcella

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/ahr sel"euh/, n.
a genus of freshwater, ameboid protozoa that secrete a hard, umbrellalike shell having a single opening through which the pseudopodia extend.
[1838; < NL, equiv. to L arc(a) a chest, box + -ella dim. suffix]

Useful english dictionary. 2012.