noun. ['ˈeɪˌtiːˈɛm'] 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. 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.