dioptrate
adjective
di·op·trate
dīˈäpˌtrāt,
-trə̇t
: 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
Word History
Etymology
dia- + optr- (irregular from Greek opsesthai to be going to see) + -ate