ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Rivularia, type genus + -aceae
: a family of freshwater blue-green algae (order Hormogonales) consisting of slender gradually attenuated or hair-tipped filaments usually growing in tufts attached to the substrate and frequently mucilaginous — see calothrix , rivularia
• riv·u·lar·i·a·ceous | ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷|āshəs adjective