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triactinal
adjective
tri·actinal
\(ˈ)trī¦aktənəl, ¦trīˌak¦tīnəl\
variants: less commonly
triactine
\(ˈ)trī¦akˌtīn, -tə̇n\Definition of triactinal
: having three rays a triactinal sponge spicule
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Origin and Etymology of triactinal
tri- + -actinal or -actine
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