Definition of


  1. (noun, artifact) an unattended machine (outside some banks) that dispenses money when a personal coded card is used
  2. (noun, communication) 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
  3. (noun, quantity) a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade

via WordNet, Princeton University

Alternate forms of Atm

Hyponyms: s.t.p., stp

Hypernyms: data communication, digital communication, machine, pressure unit

Origin of the word Atm

  1. 1976, acronym for automated teller machine (1974), which was first developed in modern form c.1968. more

via Online Etymology Dictionary, ©2001 Douglas Harper

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment


of or resembling Falstaff