triactinal

adjective tri·actinal \(ˈ)trī¦aktənəl, ¦trīˌak¦tīnəl\
variants: less commonly

triactine

\(ˈ)trī¦akˌtīn, -tə̇n\

Definition of triactinal

  1. :  having three rays a triactinal sponge spicule

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Origin and Etymology of triactinal

tri- + -actinal or -actine


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