plural noun Ac·ti·py·lea \ˌak-tə-ˌpī-ˈlē-ə\

Definition of Actipylea

  1. :  a suborder of Radiolaria comprising protozoa with skeletons of spicules of strontium sulfate

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Origin and Etymology of actipylea

New Latin, irregular from Greek aktis ray + pylē gate — more at actino-, pylon

First Known Use: 1887

Seen and Heard

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feeling or affected by lethargy

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