orthotriaene

noun
or·​tho·​triaene | \ ¦ȯ(r)thō+ \

Definition of orthotriaene

: a tetraradiate sponge spicule having one long and three short rays

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History and Etymology for orthotriaene

orth- + triaene

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Cite this Entry

“Orthotriaene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthotriaene. Accessed 23 Sep. 2020.

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