plural noun
Gig·​ar·​ti·​na·​ce·​ae | \ ˌjigə(r)tə̇ˈnāsēˌē\

Definition of Gigartinaceae

: a family of red algae (order Gigartinales) having procarps and large often unbranched fronds — see chondrus gigartina

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History and Etymology for Gigartinaceae

New Latin, from Gigartina, type genus + -aceae

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to boil down or concentrate

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