vəˌlōnēˈāsēˌē noun plural
Usage: capitalized
Etymology: New Latin Valonia, type genus + -aceae
: a family of coenocytic green algae usually classed among the Siphonocladales but sometimes especially formerly among the Siphonales — see valonia II
• va·lo·ni·a·ceous və|lōnē|āshəs adjective