Oscillatoriaceae
plural noun
Os·cil·la·to·ri·a·ce·ae
Definition of Oscillatoriaceae
: a family of blue-green algae (order Hormogonales) growing as slender filaments often in tangled masses in water or on damp rocks or soil, forming slimy layers on soil, commonly exhibiting oscillating movements, and reproducing only asexually by hormogonia
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Merriam-Webster unabridged
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