The Collaborative International Dictionary
Atmospheric \At`mos*pher"ic\, Atmospherical \At`mos*pher"ic*al\, a. [Cf. F. atmosph['e]rique.]
Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.
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Existing or occurring in the atmosphere.
The lower atmospheric current.
--Darwin. Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine.
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Dependent on the atmosphere. [R.]
In am so atmospherical a creature.
--Pope.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.
Wiktionary
a. atmospheric
WordNet
adj. relating to or located in the atmosphere; "atmospheric tests" [syn: atmospheric]
Usage examples of "atmospherical".
Full of this idea, the scientific gentleman seized his pen again, and committed to paper sundry notes of these unparalleled appearances, with the date, day, hour, minute, and precise second at which they were visible: all of which were to form the data of a voluminous treatise of great research and deep learning, which should astonish all the atmospherical wiseacres that ever drew breath in any part of the civilised globe.
It is quite easy to understand, and its progress depends upon atmospherical conditions.
Such a thing has happened before on that particular pathway, though there do not appear in this case to have been any geological or atmospherical conditions causing it.
But the young detective was too engrossed with his own thoughts to pay attention to any atmospherical unpleasantness.