noun
pond scums: common freshwater algae forming green slimy masses
• Syn: ↑Zygnemataceae
• Hypernyms: ↑protoctist family
• Member Holonyms: ↑Zygnematales, ↑order Zygnematales, ↑Zygnemales, ↑order Zygnemales
• Member Meronyms: ↑Zygnema, ↑genus Zygnema, ↑pond scum, ↑genus Spirogyra
Useful english dictionary. 2012.