Definition of optical turnstile in English:

optical turnstile

Syllabification: op·ti·cal turn·stile

noun

An access control system without barriers in which those attempting to enter are evaluated by closed-circuit television or other visual means.
More example sentences
  • At the Blue Cross-Blue Shield headquarters, optical turnstiles form the backbone of an access control system.
  • For example, optical turnstiles are now being designed into many high-rise office buildings as well as virtually every government building and high-security facility.
  • One solution that has drawn a good deal of interest is optical turnstiles, which can handle thousands of people in the morning rush effectively and efficiently, says Terry Gillick, vice president of Syska Hennessy Group.

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Pronunciation: nēˈätn-ē
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retention of juvenile features in the adult animal