opticon

noun
op·​ti·​con | \-ˌkän\
plural -s

Definition of opticon 

(Entry 1 of 2)

: an external enlargement of the optic lobe of the insect brain that is the innermost of the ganglionic masses connected with the compound eye

-op·​ti·​con | \-kən, -ˌkän\
plural -s

Definition of -opticon (Entry 2 of 2)

: stereopticon panopticon sciopticon

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History and Etymology for opticon

Noun

New Latin, from Greek optikon, neuter of optikos optic

Noun combining form

stereopticon

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