Atmospheric
Atmospheric ({not transcribed}) , adjective
[Compare French atmosphérique.]
1.
Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.
2.
Existing or occurring in the atmosphere.
The lower atmospheric current.
3.
Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine.
4.
Dependent on the atmosphere. [Rare]
In am so atmospherical a creature.
Collocations (5)
Atmospheric engine , a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder. — Tomlinson
Atmospheric line (Steam Engineering) , the equilibrium line of an indicator card. Steam is expanded “down to the atmosphere” when its pressure is equal to that of the atmosphere. (See Indicator card.)
Atmospheric pressure , the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts to about 14.7 Ibs. on each square inch.
Atmospheric railway , one in which pneumatic power, obtained from compressed air or the creation of a vacuum, is the propelling force.
Atmospheric tides , See under Tide.
Also: Atmospherical