Characteristic of or resembling the corals of the family Gorgoniacea; having the structure or properties of sea fans.
From 'Gorgoniacea' + '-ous' (a suffix meaning 'full of' or 'characterized by'). A standard biological descriptive formation.
The '-ous' suffix creates descriptors—'dangerous,' 'gorgeous,' 'vigorous'—so 'gorgoniaceous' means 'full of gorgonia characteristics,' which is pretty economical naming!
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