ac·ti·no·cri·nite | \ˌak-tə-(ˌ)nō-ˈkrī-ˌnīt\
plural -s

Definition of actinocrinite 

: a fossil crinoid of Actinocrinus or a related genus

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First Known Use of actinocrinite

1839, in the meaning defined above

History and Etymology for actinocrinite

probably from French, from New Latin Actinocrinus + French -ite

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The first known use of actinocrinite was in 1839

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a state of commotion or excitement

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