passimeter

Probably from pass +‎ -meter

passimeter (plural passimeters)

1. A pocket pedometer.
2. (rail transport) A turnstile operated from a ticket booth or by a ticket machine.
   • 2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 213:

     Passengers were meant to flow past a passimeter on either side, as when the water of a fast-flowing river meets a rock. They usually had the choice of two queues, which must have been agonising because the one you pick is always the slowest. The queues were slowed down by the turnstiles that frequently operated in conjunction with the ticket booths, but these would give way to automatic ticket gates, [...]

• “passimeter”, in Collins English Dictionary.
• “passimeter”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “passimeter”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

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