dioptrate

\\dīˈäpˌtrāt, -_trə̇t\ adjective

Etymology: dia- + optr- (irregular from Greek opsesthai to be going to see) + -ate

: divided by a transverse line or septum — used of the compound eyes of certain insects (as water beetles) and of ocelli on the wings of certain moths and butterflies

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diopˈtrate adjective (zoology)

Having the compound eye divided transversely

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Main Entry: ↑dioptric