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2 definitions found
 for Air bath
From The Collaborative International Dictionary of English v.0.48 :

  Vapor \Va"por\, n. [OE. vapour, OF. vapour, vapor, vapeur, F.
     vapeur, L. vapor; probably for cvapor, and akin to Gr. ?
     smoke, ? to breathe forth, Lith. kvepti to breathe, smell,
     Russ. kopote fine soot. Cf. Vapid.] [Written also
     vapour.]
     [1913 Webster]
     1. (Physics) Any substance in the gaseous, or aeriform,
        state, the condition of which is ordinarily that of a
        liquid or solid.
        [1913 Webster]
  
     Note: The term vapor is sometimes used in a more extended
           sense, as identical with gas; and the difference
           between the two is not so much one of kind as of
           degree, the latter being applied to all permanently
           elastic fluids except atmospheric air, the former to
           those elastic fluids which lose that condition at
           ordinary temperatures. The atmosphere contains more or
           less vapor of water, a portion of which, on a reduction
           of temperature, becomes condensed into liquid water in
           the form of rain or dew. The vapor of water produced by
           boiling, especially in its economic relations, is
           called steam.
           [1913 Webster]
  
                 Vapor is any substance in the gaseous condition
                 at the maximum of density consistent with that
                 condition. This is the strict and proper meaning
                 of the word vapor.                 --Nichol.
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     2. In a loose and popular sense, any visible diffused
        substance floating in the atmosphere and impairing its
        transparency, as smoke, fog, etc.
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              The vapour which that fro the earth glood [glided].
                                                    --Chaucer.
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              Fire and hail; snow and vapors; stormy wind
              fulfilling his word.                  --Ps. cxlviii.
                                                    8.
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     3. Wind; flatulence. [Obs.] --Bacon.
        [1913 Webster]
  
     4. Something unsubstantial, fleeting, or transitory; unreal
        fancy; vain imagination; idle talk; boasting.
        [1913 Webster]
  
              For what is your life? It is even a vapor, that
              appeareth for a little time, and then vanisheth
              away.                                 --James iv.
                                                    14.
        [1913 Webster]
  
     5. pl. An old name for hypochondria, or melancholy; the
        blues. "A fit of vapors." --Pope.
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     6. (Pharm.) A medicinal agent designed for administration in
        the form of inhaled vapor. --Brit. Pharm.
        [1913 Webster]
  
     Vapor bath.
        (a) A bath in vapor; the application of vapor to the body,
            or part of it, in a close place; also, the place
            itself.
        (b) (Chem.) A small metallic drying oven, usually of
            copper, for drying and heating filter papers,
            precipitates, etc.; -- called also air bath. A
            modified form is provided with a jacket in the outside
            partition for holding water, or other volatile liquid,
            by which the temperature may be limited exactly to the
            required degree.
  
     Vapor burner, a burner for burning a vaporized hydrocarbon.
        
  
     Vapor density (Chem.), the relative weight of gases and
        vapors as compared with some specific standard, usually
        hydrogen, but sometimes air. The vapor density of gases
        and vaporizable substances as compared with hydrogen, when
        multiplied by two, or when compared with air and
        multiplied by 28.8, gives the molecular weight.
  
     Vapor engine, an engine worked by the expansive force of a
        vapor, esp. a vapor other than steam.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Air \Air\ ([^a]r), n. [OE. air, eir, F. air, L. a["e]r, fr. Gr.
     'ah`r, air, mist, for 'a[digamma]hr, fr. root 'a[digamma] to
     blow, breathe, probably akin to E. wind. In sense 10 the
     French has taking a meaning fr. It. aria atmosphere, air, fr.
     the same Latin word; and in senses 11, 12, 13 the French
     meaning is either fr. L. aria, or due to confusion with F.
     aire, in an older sense of origin, descent. Cf. A["e]ry,
     Debonair, Malaria, Wind.]
     1. The fluid which we breathe, and which surrounds the earth;
        the atmosphere. It is invisible, inodorous, insipid,
        transparent, compressible, elastic, and ponderable.
        [1913 Webster]
  
     Note: By the ancient philosophers, air was regarded as an
           element; but modern science has shown that it is
           essentially a mixture of oxygen and nitrogen, with a
           small amount of carbon dioxide, the average proportions
           being, by volume: oxygen, 20.96 per cent.; nitrogen,
           79.00 per cent.; carbon dioxide, 0.04 per cent. These
           proportions are subject to a very slight variability.
           Air also always contains some vapor of water.
           [1913 Webster]
  
     2. Symbolically: Something unsubstantial, light, or volatile.
        "Charm ache with air." --Shak.
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              He was still all air and fire. [Air and fire being
        the finer and quicker elements as opposed to earth and
        water.]                                     --Macaulay
        .
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     3. A particular state of the atmosphere, as respects heat,
        cold, moisture, etc., or as affecting the sensations; as,
        a smoky air, a damp air, the morning air, etc.
        [1913 Webster]
  
     4. Any a["e]riform body; a gas; as, oxygen was formerly
        called vital air. [Obs.]
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     5. Air in motion; a light breeze; a gentle wind.
        [1913 Webster]
  
              Let vernal airs through trembling osiers play.
                                                    --Pope.
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     6. Odoriferous or contaminated air.
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     7. That which surrounds and influences.
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              The keen, the wholesome air of poverty.
                                                    --Wordsworth.
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     8. Utterance abroad; publicity; vent.
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              You gave it air before me.            --Dryden.
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     9. Intelligence; information. [Obs.] --Bacon.
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     10. (Mus.)
         (a) A musical idea, or motive, rhythmically developed in
             consecutive single tones, so as to form a symmetrical
             and balanced whole, which may be sung by a single
             voice to the stanzas of a hymn or song, or even to
             plain prose, or played upon an instrument; a melody;
             a tune; an aria.
         (b) In harmonized chorals, psalmody, part songs, etc.,
             the part which bears the tune or melody -- in modern
             harmony usually the upper part -- is sometimes called
             the air.
             [1913 Webster]
  
     11. The peculiar look, appearance, and bearing of a person;
         mien; demeanor; as, the air of a youth; a heavy air; a
         lofty air. "His very air." --Shak.
         [1913 Webster]
  
     12. Peculiar appearance; apparent character; semblance;
         manner; style.
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               It was communicated with the air of a secret.
                                                    --Pope.
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     12. pl. An artificial or affected manner; show of pride or
         vanity; haughtiness; as, it is said of a person, he puts
         on airs. --Thackeray.
         [1913 Webster]
  
     14. (Paint.)
         (a) The representation or reproduction of the effect of
             the atmospheric medium through which every object in
             nature is viewed. --New Am. Cyc.
         (b) Carriage; attitude; action; movement; as, the head of
             that portrait has a good air. --Fairholt.
             [1913 Webster]
  
     15. (Man.) The artificial motion or carriage of a horse.
         [1913 Webster]
  
     Note: Air is much used adjectively or as the first part of a
           compound term. In most cases it might be written
           indifferently, as a separate limiting word, or as the
           first element of the compound term, with or without the
           hyphen; as, air bladder, air-bladder, or airbladder;
           air cell, air-cell, or aircell; air-pump, or airpump.
           [1913 Webster]
  
     Air balloon. See Balloon.
  
     Air bath.
         (a) An apparatus for the application of air to the body.
         (b) An arrangement for drying substances in air of any
             desired temperature.
  
     Air castle. See Castle in the air, under Castle.
  
     Air compressor, a machine for compressing air to be used as
        a motive power.
  
     Air crossing, a passage for air in a mine.
  
     Air cushion, an air-tight cushion which can be inflated;
        also, a device for arresting motion without shock by
        confined air.
  
     Air fountain, a contrivance for producing a jet of water by
        the force of compressed air.
  
     Air furnace, a furnace which depends on a natural draft and
        not on blast.
  
     Air line, a straight line; a bee line. Hence
  
     Air-line, adj.; as, air-line road.
  
     Air lock (Hydr. Engin.), an intermediate chamber between
        the outer air and the compressed-air chamber of a
        pneumatic caisson. --Knight.
  
     Air port (Nav.), a scuttle or porthole in a ship to admit
        air.
  
     Air spring, a spring in which the elasticity of air is
        utilized.
  
     Air thermometer, a form of thermometer in which the
        contraction and expansion of air is made to measure
        changes of temperature.
  
     Air threads, gossamer.
  
     Air trap, a contrivance for shutting off foul air or gas
        from drains, sewers, etc.; a stench trap.
  
     Air trunk, a pipe or shaft for conducting foul or heated
        air from a room.
  
     Air valve, a valve to regulate the admission or egress of
        air; esp. a valve which opens inwardly in a steam boiler
        and allows air to enter.
  
     Air way, a passage for a current of air; as the air way of
        an air pump; an air way in a mine.
  
     In the air.
         (a) Prevalent without traceable origin or authority, as
             rumors.
         (b) Not in a fixed or stable position; unsettled.
         (c) (Mil.) Unsupported and liable to be turned or taken
             in flank; as, the army had its wing in the air.
  
     on the air, currently transmitting; live; -- used of radio
        and television broadcasts, to indicate that the images and
        sounds being picked up by cameras and microphones are
        being broadcast at the present moment.
  
     Note: In call-in programs where individuals outside a radio
           or television studio have telephoned into the station,
           when their voice is being directly broadcast, the host
           of the program commonly states "You're on the air." as
           a warning that the conversation is not private.
  
     To take air, to be divulged; to be made public.
  
     To take the air, to go abroad; to walk or ride out.
        [1913 Webster]

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