dioptrate
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dioptrate — di·op·trate … English syllables
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… … Useful english dictionary