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 pond water revealed tiny rotifers using their spinning, wheel-like cilia to filter food. "Unter dem Mikroskop offenbarte das Teichwasser winzige Rädertierchen, die ihre sich drehenden, radähnlichen Zilien benutzten, um Nahrung zu filtern.organismanimalbiologynaturescienceecologymicroorganismChat with AIVocabulary GamePractice Reading