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amphitriaene

noun
am·​phi·​tri·​aene | \ ˌamfə̇ˈtrīˌēn\
plural -s

Definition of amphitriaene

: a sponge spicule with three divergent rays at each end — see triaene

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First Known Use of amphitriaene

1887, in the meaning defined above

History and Etymology for amphitriaene

amphi- + triaene

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The first known use of amphitriaene was in 1887

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