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
(Noun)
Synonyms:
  1. asynchronous transfer mode
A unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
(Noun)
An unattended machine (outside some banks) that dispenses money when a personal coded card is used
(Noun)