Amphipleura

noun
Am·​phi·​pleu·​ra | \ˌamfəˈplu̇rə\

Definition of Amphipleura 

: a genus of diatoms (family Naviculaceae) that includes one species (A. pellucida) which is distinguished by a finely striate and punctate frustule often used to test the resolving power of microscope lenses

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First Known Use of Amphipleura

1853, in the meaning defined above

History and Etymology for Amphipleura

New Latin, from amphi- + -pleura

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The first known use of Amphipleura was in 1853

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