1. A unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
   - standard atmosphere, atmosphere, standard pressure

1. A means of digital communications that is capable of very high speeds; suitable for transmission of images or voice or video as well as data
   "ATM is used for both LAN and WAN"
   - asynchronous transfer mode 
2. An unattended machine (outside some banks) that dispenses money when a personal coded card is used
   - cash machine [Brit, Cdn], cash dispenser [Brit], automated teller machine, automatic teller machine, automated teller, automatic teller, cashpoint [UK], hole-in-the-wall [UK]

Derived forms: atms

Type of: data communication, digital communication, machine, pressure unit

Encyclopedia: ATM

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