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Definition of pneumatic - 9 dictionary results

pneu⋅mat⋅ic

[noo-mat-ik, nyoo-]
–adjective
1. of or pertaining to air, gases, or wind.
2. of or pertaining to pneumatics.
3. operated by air or by the pressure or exhaustion of air: a pneumatic drill.
4. filled with or containing compressed air, as a tire.
5. equipped with pneumatic tires.
6. Theology. of or pertaining to the spirit; spiritual.
7. Zoology. containing air or air cavities.
–noun
8. a pneumatic tire.
9. a vehicle having wheels with such tires.

Origin:
1650–60; < L pneumaticus < Gk pneumatikós pertaining to air, breath or wind, spiritual, equiv. to pneumat- (s. of pneûma; see pneuma ) + -ikos -ic


pneu⋅mat⋅i⋅cal⋅ly, adverb
pneu⋅ma⋅tic⋅i⋅ty [noo-muh-tis-i-tee, nyoo-] , noun
pneu·mat·ic   (nōō-māt'ĭk, nyōō-)   
adj.  
  1. Of or relating to air or other gases.
  2. Of or relating to pneumatics.
    1. Run by or using compressed air: a pneumatic drill.
    2. Filled with air, especially compressed air: a pneumatic tire.
  3. Zoology Having cavities filled with air, as the bones of certain birds.
  4. Of or relating to the pneuma; spiritual.

[French pneumatique, from Latin pneumaticus, from Greek pneumatikos, from pneuma, pneumat-, wind; see pneu- in Indo-European roots.]
pneu·mat'i·cal·ly adv., pneu'ma·tic'i·ty (nōō'mə-tĭs'ĭ-tē, nyōō'-) n.

Pneumatic

Pneu*mat"ic\, n. A vehicle, as a bicycle, the wheels of which are fitted with pneumatic tires.

Pneumatic

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.

Pneumatic

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.
Language Translation for : pneumatic
Spanish: neumático,
German: Luft-…,
Japanese: 空気の入った

pneumatic 
1659, from L. pneumaticus "of the wind, belonging to the air," from Gk. pneumatikos, from pneuma (gen. pneumatos) "wind," also "breath," from pnein "to blow, to breathe," from PIE base *pneu- "to breathe," of imitative origin.

Main Entry: pneu·mat·ic
Pronunciation: n(y)u-'mat-ik
Function: adjective
: of, relating to, or using gas (as air): as a : moved or worked by air pressure b : adapted for holding or inflated with compressed air c : having air-filled cavities <pneumatic bone> —pneu·mat·i·cal·ly /-i-k(&-)lE/ adverb

pneumatic pneu·mat·ic (n&oomacr;-māt'ĭk, ny&oomacr;-)
adj.

  1. Of or relating to air or other gases.
  2. Relating to respiration.
  3. Relating to a structure that is filled with air.

pneumatic   (n-māt'ĭk)  Pronunciation Key 
  1. Relating to gases, especially air.
  2. Filled with or operated by compressed air. Pneumatic machines often involve the transmission of force through air pressure in pipes or tubes. See also hydraulic.

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