Word.ws English Dictionary

atmo

atmo noun: 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. Also the clipping of atmosphere.

Noun

atmo (plural atmos)

  1. (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.
    • 1880? William Thomson, 1st Baron Kelvin, Heat
      under a constant pressure of one atmo
    • In this case, at a pressure of one atmo, the quantity of gas absorbed by one gramme of water is .875 gramme at 0°C.1891, John Parker, Elementary Thermodynamics, page 309

Also used as

atmo is also the clipping of atmosphere.

Forms of atmo

pluralatmos

Origin of atmo

From atmosphere.

Questions about atmo

What does atmo mean?
Atmo means 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.
What part of speech is atmo?
Atmo is a noun.
What is the plural of atmo?
The plural of atmo is atmos.

Words near atmo in the dictionary

  1. atmas
  2. atmiatry
  3. atmidometer
  4. atmidometers
  5. atmidometry
  6. atmo
  7. atmo-
  8. atmocline
  9. atmoclines
  10. atmological
  11. atmologist

Source and license

Adapted from Wiktionary: atmo (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “atmo.” Word.ws, https://word.ws/atmo. Based on Wiktionary, CC BY-SA 4.0.