atmospheres

noun
  1. 1

    The gases surrounding the Earth or any astronomical body.

  2. 2

    The air in a particular place.

  3. 3

    The apparent mood felt in an environment.

  4. 4

    A unit of measurement for pressure equal to 101325 Pa (symbol: atm)

Source: https://en.wiktionary.org/wiki/atmosphere, https://en.wiktionary.org/wiki/atmospheres