Atmospheric railway

Atmospheric railway
Atmospheric At`mos*pher"ic, Atmospherical At`mos*pher"ic*al, a. [Cf. F. atmosph['e]rique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. [1913 Webster]

2. Existing or occurring in the atmosphere. [1913 Webster]

The lower atmospheric current. --Darwin. [1913 Webster]

3. Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine. [1913 Webster]

4. Dependent on the atmosphere. [R.] [1913 Webster]

In am so atmospherical a creature. --Pope. [1913 Webster]

{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 Engin.), 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}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Atmospheric railway — An atmospheric railway is a railway that uses air pressure to provide power for propulsion. A pneumatic tube is laid between the rails, with a piston running in it suspended from the train through a sealable slot in the top of the tube. By means… …   Wikipedia

  • Atmospheric railway — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …   The Collaborative International Dictionary of English

  • Dalkey Atmospheric Railway — Arriving at Kingstown, The Illustrated London News, 6th January, 1844 …   Wikipedia

  • Atmospheric — At mos*pher ic, Atmospherical At mos*pher ic*al, a. [Cf. F. atmosph[ e]rique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • Atmospheric engine — Atmospheric At mos*pher ic, Atmospherical At mos*pher ic*al, a. [Cf. F. atmosph[ e]rique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. [1913… …   The Collaborative International Dictionary of English

  • Atmospheric line — Atmospheric At mos*pher ic, Atmospherical At mos*pher ic*al, a. [Cf. F. atmosph[ e]rique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. [1913… …   The Collaborative International Dictionary of English

  • Atmospheric pressure — Atmospheric At mos*pher ic, Atmospherical At mos*pher ic*al, a. [Cf. F. atmosph[ e]rique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. [1913… …   The Collaborative International Dictionary of English

  • Atmospheric tides — Atmospheric At mos*pher ic, Atmospherical At mos*pher ic*al, a. [Cf. F. atmosph[ e]rique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth. [1913… …   The Collaborative International Dictionary of English

  • Railway — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …   The Collaborative International Dictionary of English

  • Railway brake — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …   The Collaborative International Dictionary of English

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