from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, relating to, or existing in the atmosphere.
  • adjective Produced by, dependent on, or coming from the atmosphere.
  • adjective Resembling or representing the atmosphere; having or giving the effect of translucence.
  • adjective Intended to evoke a particular emotional tone or aesthetic quality.

from The Century Dictionary.

  • Pertaining to, existing in, or consisting of the atmosphere: as, atmospheric air or vapors.
  • Dependent on the atmosphere.
  • Caused, produced, or operated on by the atmosphere: as, rust is an atmospheric effect.
  • a variety of steam-engine in which the steam is admitted only to the under side of the piston and for the up-stroke, the down-stroke being effected by the pressure of the atmosphere caused by the formation of a vacuum under the piston through the condensation of the steam. This engine, invented by Papin in 1695, was first made a practical success by Newcomen, and was subsequently greatly improved by Watt, through the addition of a separate condenser and air-pump.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere
  • adjective Existing or occurring in the atmosphere.
  • adjective Caused, or operated on, by the atmosphere
  • adjective rare Dependent on the atmosphere.
  • adjective a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder.
  • adjective (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.)
  • adjective the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts to about 14.7 Ibs. on each square inch.
  • adjective one in which pneumatic power, obtained from compressed air or the creation of a vacuum, is the propelling force.
  • adjective See under Tide.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of, relating to, produced by, or coming from the atmosphere.
  • adjective painting Translucent or hazy.
  • adjective Evoking a particular emotional or aesthetic quality.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective relating to or located in the atmosphere


from Wiktionary, Creative Commons Attribution/Share-Alike License

atmospher(e) +‎ -ic


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