atm (n.)a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade;
Synonyms: standard atmosphere /
atmosphere /
standard pressure atm (n.)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;
Synonyms: asynchronous transfer mode
atm (n.)an unattended machine (outside some banks) that dispenses money when a personal coded card is used;
Synonyms: cash machine / cash dispenser / automated teller machine / automatic teller machine / automated teller / automatic teller
