noun🔗ShareRädertierchenAny of many minute aquatic multicellular organisms, of the phylum Rotifera, that have a ring of cilia resembling a wheel."Under a microscope, the lake water revealed tiny rotifers swimming around, their whirling cilia creating miniature currents. "Unter dem Mikroskop offenbarte das Seewasser winzige Rädertierchen, die herumschwimmen, wobei ihre wirbelnden Wimpern Miniaturströmungen erzeugten.organismanimalbiologymicroorganismChat with AIVocabulary GamePractice Reading