Tribonema
noun
Tri·bo·ne·ma
ˌtrībəˈnēmə,
ˌtrib-
: a genus (the type of the family Tribonemaceae of the order Heterotrichales) of simple filamentous freshwater yellow-green algae having asexual spores formed within the cells and freed by the breaking of the filaments into H-shaped pieces see conferva
Word History
Etymology
New Latin, from Greek tribos action of rubbing (from tribein to rub) + New Latin -nema