noun🔗ShareSiphonophorenAny of various transparent marine hydrozoans, of the order Siphonophorae, that float or swim as colonies of polyps."The aquarium displayed a beautiful siphonophore, a colony of tiny, transparent polyps drifting in the water. "Das Aquarium zeigte eine wunderschöne Siphonophore, eine Kolonie winziger, transparenter Polypen, die im Wasser trieben.organismanimaloceanbiologynaturescienceChat with AIVocabulary GamePractice Reading