|diktēə+ noun
Usage: capitalized
Etymology: New Latin, from dicty- + Greek siphōn tube, pipe, siphon — more at siphon
: a genus (the type of the family Dictyosiphonaceae) of brown algae (order Dictyosiphonales) having filiform fronds that taper to acute points
• dic·ty·o·siphonaceous “+ adjective