ˌ ̷ ̷ ̷ ̷ˌtēnēˈāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Mesotaenium, type genus (from mes- + -taenium — from Latin taenia ribbon, band, fillet) + -aceae — more at taenia
: a family of unicellular or colonial green algae (order Zygnematales) comprising the saccoderm desmids and differing from the Desmidiaceae in having the cell wall in a single piece and without pores — see desmidiales