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 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.

Look at other dictionaries:

  • atmospheric tides — atmospheric tides, movement of atmospheric masses in a pattern somewhat resembling that of the tides, caused by temperature fluctuations and by gravitation …   Useful english dictionary

  • Atmospheric tides — Tide Tide, n. [AS. t[=i]d time; akin to OS. & OFries. t[=i]d, D. tijd, G. zeit, OHG. z[=i]t, Icel. t[=i]?, Sw. & Dan. tid, and probably to Skr. aditi unlimited, endless, where a is a negative prefix. [root]58. Cf. {Tidings}, {Tidy}, {Till}, prep …   The Collaborative International Dictionary of English

  • Atmospheric tide — Atmospheric tides are global scale periodic oscillations of the atmosphere. In many ways they are analogous to ocean tides. Atmospheric tides can be excited by:*The regular day/night cycle in the insolation of the atmosphere *The gravitational… …   Wikipedia

  • Atmospheric physics — is the application of physics to the study of the atmosphere. Atmospheric physicists attempt to model Earth s atmosphere and the atmospheres of the other planets using fluid flow equations, chemical models, radiation balancing, and energy… …   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 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… …   The Collaborative International Dictionary of English

  • Atmospheric pressure — Air pressure redirects here. For the pressure of air in other systems, see pressure. Atmospheric pressure is the force per unit area exerted against a surface by the weight of air above that surface in the Earth s atmosphere. In most… …   Wikipedia

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