dioptrate

adjective di·op·trate \ dīˈäpˌtrāt , -trə̇t \

Definition of dioptrate

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

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Origin and Etymology of dioptrate

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


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