trinocular

adjective
trin·oc·u·lar | \(ˌ)trī-ˈnä-kyə-lər \

Definition of trinocular 

: relating to or being a binocular microscope equipped with a lens for photographic recording during direct visual observation

First Known Use of trinocular

1960, in the meaning defined above

History and Etymology for trinocular

tri- + binocular

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The first known use of trinocular was in 1960

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More Definitions for trinocular

trinocular

adjective
trin·oc·u·lar | \(ˈ)trī-ˈnäk-yə-lər \

Medical Definition of trinocular 

: relating to or being a binocular microscope equipped with a lens for photographic recording during direct visual observation

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not any or not one

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