The standard atmospheric pressure used in certain physical measurements 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.
Vogais: ao
Consoantes: tm
atm, atom, aton, atimy, atomy, atone, atony, -ation, a-team, adytum.