atmospherical

HYPHEN

at=mos=pher=i=cal

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WORDNET DICTIONARY

Adjective atmospherical has 1 sense

atmospherical(a = adj.pert) atmospheric - relating to or located in the atmosphere; "atmospheric tests"

Derived forms noun atmosphere₃, noun atmosphere₅

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CIDE DICTIONARY

atmospherical, a. [Cf. F. atmosphérique.].

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]
Existing or occurring in the atmosphere. [1913 Webster]
"The lower atmospheric current." [1913 Webster]
Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine. [1913 Webster]
Dependent on the atmosphere. [1913 Webster]
"In am so atmospherical a creature." [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.

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