Why was "tantrum" trending last week?
1976, acronym for automated teller machine (1974), which was developed in modern form c.1968.
atm or atm.
An abbreviation for automated teller machine. This is a computer terminal that takes the place of a human bank teller and allows the user to access basic bank services, such as making deposits and cash withdrawals from remote locations, twenty-four hours a day.
unit of pressure, equal to the mean atmospheric pressure at sea level. It corresponds to the pressure exerted by a vertical column of mercury (as in a barometer) 760 mm (29.9213 inches) high. One standard atmosphere, which is also referred to as one atmosphere, is equivalent to 101,325 pascals, or newtons of force per square metre (approximately 14.7 pounds per square inch). See also millibar.