| NOUN | quantity | standard pressure, standard atmosphere, atmosphere, atm | a unit of pressure |
|---|
| Meaning | A unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade. | |
|---|---|---|
| Synonyms | standard atmosphere, atmosphere, atm | |
| Narrower | STP, s.t.p. | standard ... / standard temperature and pressure |
| Broader | pressure unit | A unit measuring force per unit area |
| Spanish | atm | |
| Catalan | atm, atmosfera | |
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