noun
pond scums; desmids
• Syn: ↑Zygnematales, ↑Zygnemales, ↑order Zygnemales
• Hypernyms: ↑animal order
• Member Holonyms: ↑Chlorophyceae, ↑class Chlorophyceae
• Member Meronyms: ↑Zygnemataceae, ↑family Zygnemataceae
Useful english dictionary. 2012.