ˌzīgəˈfīsēˌē, ˌzig-, -ˈfis- noun plural
Usage: capitalized
Etymology: New Latin, from zyg- + -phyceae
in some especially former classifications : a class that comprises greenish unicellular or filamentous algae having conspicuous chromatophores and multiplying by simple division and by conjugation and that includes the desmids and pond scums and usually also the diatoms — compare zygnematales
• zy·go·phy·ceous | ̷ ̷ ̷ ̷|fishəs adjective