plural noun

Definition of Rivulariaceae

: a family of freshwater blue-green algae (order Hormogonales) consisting of slender gradually attenuated or hair-tipped filaments usually growing in tufts attached to the substrate and frequently mucilaginous — see calothrix , rivularia

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Other Words from Rivulariaceae

rivulariaceous \ ¦⸗⸗ˌ⸗⸗¦āshəs \ adjective

History and Etymology for Rivulariaceae

New Latin, from Rivularia, type genus + -aceae

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Cite this Entry

“Rivulariaceae.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Rivulariaceae. Accessed 15 December 2019.

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