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Meaning of PNEUMATIC

Pronunciation:  nû'matik

 
WordNet Dictionary
 
 Definition: 
[adj]  of or relating to or using air (or a similar gas); "pneumatic drill"; "pneumatic tire"
 

PNEUMATIC is a 9 letter word that starts with P.

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \Pneu*mat"ic\, n.
    A vehicle, as a bicycle, the wheels of which are fitted with
    pneumatic tires.
    
    
  2. \Pneu*mat"ic\, Pneumatical \Pneu*mat"ic*al\, a.
    Adapted for containing compressed air; inflated with air; as,
    a pneumatic cushion; a pneumatic tire, a tire formed of an
    annular tube of flexible fabric, as India rubber, suitable
    for being inflated with air.
    
    
  3. \Pneu*mat"ic\, Pneumatical \Pneu*mat"ic*al\, a. [L.
    pneumaticus, Gr. ?, fr. ?, ?, wind, air, ? to blow, breathe;
    cf. OHG. fnehan: cf. F. pneumatique. Cf. {Pneumonia}.]
    1. Consisting of, or resembling, air; having the properties
       of an elastic fluid; gaseous; opposed to dense or solid.
    
             The pneumatical substance being, in some bodies, the
             native spirit of the body.            --Bacon.
    
    2. Of or pertaining to air, or to elastic fluids or their
       properties; pertaining to pneumatics; as, pneumatic
       experiments. ``Pneumatical discoveries.'' --Stewart.
    
    3. Moved or worked by pressure or flow of air; as, a
       pneumatic instrument; a pneumatic engine.
    
    4. (Biol.) Fitted to contain air; Having cavities filled with
       air; as, pneumatic cells; pneumatic bones.
    
    {Pneumatic action}, or {Pneumatic lever} (Mus.), a
       contrivance for overcoming the resistance of the keys and
       other movable parts in an organ, by causing compressed air
       from the wind chest to move them.
    
    {Pneumatic dispatch}, a system of tubes, leading to various
       points, through which letters, packages, etc., are sent,
       by the flow and pressure of air.
    
    {Pneumatic elevator}, a hoisting machine worked by compressed
       air.
    
    {Pneumatic pile}, a tubular pile or cylinder of large
       diameter sunk by atmospheric pressure.
    
    {Pneumatic pump}, an air-exhausting or forcing pump.
    
    {Pneumatic railway}. See {Atmospheric railway}, under
       {Atmospheric}.
    
    {Pneumatic syringe}, a stout tube closed at one end, and
       provided with a piston, for showing that the heat produced
       by compressing a gas will ignite substances.
    
    {Pneumatic trough}, a trough, generally made of wood or sheet
       metal, having a perforated shelf, and used, when filled
       with water or mercury, for collecting gases in chemical
       operations.
    
    {Pneumatic tube}. See {Pneumatic dispatch}, above.
    
    
 
Thesaurus Terms
 
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