plural of atman

(physics, dated) The standard atmospheric pressure used in certain physical measurements and calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0° Centigrade, at the level of the sea, and in the latitude of Paris.

(dated) treatment of disease by vapours or gases, as by inhalation

(rare, nonstandard) The at sign (@).

plural of atmark

Relating to atmology.

A region of varying amounts of rainwater