catflap.org Online Dictionary Query

  Gun \Gun\ (g[u^]n), n. [OE. gonne, gunne; of uncertain origin;
     cf. Ir., Gael., & LL. gunna, W. gum; possibly (like cannon)
     fr. L. canna reed, tube; or abbreviated fr. OF. mangonnel, E.
     mangonel, a machine for hurling stones.]
     1. A weapon which throws or propels a missile to a distance;
        any firearm or instrument for throwing projectiles,
        consisting of a tube or barrel closed at one end, in which
        the projectile is placed, with an explosive charge (such
        as guncotton or gunpowder) behind, which is ignited by
        various means. Pistols, rifles, carbines, muskets, and
        fowling pieces are smaller guns, for hand use, and are
        called small arms. Larger guns are called cannon,
        ordnance, fieldpieces, carronades, howitzers, etc.
        See these terms in the Vocabulary.
        [1913 Webster]
  
              As swift as a pellet out of a gunne
              When fire is in the powder runne.     --Chaucer.
        [1913 Webster]
  
              The word gun was in use in England for an engine to
              cast a thing from a man long before there was any
              gunpowder found out.                  --Selden.
        [1913 Webster]
  
     2. (Mil.) A piece of heavy ordnance; in a restricted sense, a
        cannon.
        [1913 Webster]
  
     3. pl. (Naut.) Violent blasts of wind.
        [1913 Webster]
  
     Note: Guns are classified, according to their construction or
           manner of loading as rifled or smoothbore,
           breech-loading or muzzle-loading, cast or
           built-up guns; or according to their use, as field,
           mountain, prairie, seacoast, and siege guns.
           [1913 Webster]
  
     Armstrong gun, a wrought iron breech-loading cannon named
        after its English inventor, Sir William Armstrong.
  
     Big gun or Great gun, a piece of heavy ordnance; hence
        (Fig.), a person superior in any way; as, bring in the big
        guns to tackle the problem.
  
     Gun barrel, the barrel or tube of a gun.
  
     Gun carriage, the carriage on which a gun is mounted or
        moved.
  
     Gun cotton (Chem.), a general name for a series of
        explosive nitric ethers of cellulose, obtained by steeping
        cotton in nitric and sulphuric acids. Although there are
        formed substances containing nitric acid radicals, yet the
        results exactly resemble ordinary cotton in appearance. It
        burns without ash, with explosion if confined, but quietly
        and harmlessly if free and open, and in small quantity.
        Specifically, the lower nitrates of cellulose which are
        insoluble in ether and alcohol in distinction from the
        highest (pyroxylin) which is soluble. See Pyroxylin, and
        cf. Xyloidin. The gun cottons are used for blasting and
        somewhat in gunnery: for making celluloid when compounded
        with camphor; and the soluble variety (pyroxylin) for
        making collodion. See Celluloid, and Collodion. Gun
        cotton is frequenty but improperly called
        nitrocellulose. It is not a nitro compound, but an ester
        of nitric acid.
  
     Gun deck. See under Deck.
  
     Gun fire, the time at which the morning or the evening gun
        is fired.
  
     Gun metal, a bronze, ordinarily composed of nine parts of
        copper and one of tin, used for cannon, etc. The name is
        also given to certain strong mixtures of cast iron.
  
     Gun port (Naut.), an opening in a ship through which a
        cannon's muzzle is run out for firing.
  
     Gun tackle (Naut.), the blocks and pulleys affixed to the
        side of a ship, by which a gun carriage is run to and from
        the gun port.
  
     Gun tackle purchase (Naut.), a tackle composed of two
        single blocks and a fall. --Totten.
  
     Krupp gun, a wrought steel breech-loading cannon, named
        after its German inventor, Herr Krupp.
  
     Machine gun, a breech-loading gun or a group of such guns,
        mounted on a carriage or other holder, and having a
        reservoir containing cartridges which are loaded into the
        gun or guns and fired in rapid succession. In earlier
        models, such as the Gatling gun, the cartridges were
        loaded by machinery operated by turning a crank. In modern
        versions the loading of cartidges is accomplished by
        levers operated by the recoil of the explosion driving the
        bullet, or by the pressure of gas within the barrel.
        Several hundred shots can be fired in a minute by such
        weapons, with accurate aim. The Gatling gun, Gardner
        gun, Hotchkiss gun, and Nordenfelt gun, named for
        their inventors, and the French mitrailleuse, are
        machine guns.
  
     To blow great guns (Naut.), to blow a gale. See Gun, n.,
        3.
        [1913 Webster +PJC]

  Nitrocellulose \Ni`tro*cel"lu*lose`\, n. [Nitro- + cellulose.]
     (Chem.)
     See Gun cotton, under Gun.
     [1913 Webster]

  Nitrocellulose \Ni`tro*cel"lu*lose`\, n. [Nitro- + cellulose.]
     (Chem.)
     See Gun cotton, under Gun.

  nitrocellulose
       n : nitric acid esters; used in lacquers and explosives [syn: cellulose
           nitrate, guncotton, nitrocotton]

  nitrocellulose
     Italian n.
     (plural of it nitrocellulosa)
     n.
     (lb en organic compound) A cotton-like material, made from cellulose
  by the action of nitric acid and sulphuric acids, used in the
  manufacture of explosives, collodion etc.

  nitrocellulose
     n.
     (lb en organic compound) A cotton-like material, made from cellulose
  by the action of nitric acid and sulphuric acids, used in the
  manufacture of explosives, collodion etc.

  nitrocellulose
     Italian n.
     (plural of it nitrocellulosa)
     n.
     (lb en organic compound) A cotton-like material, made from cellulose
  by the action of nitric acid and sulphuric acids, used in the
  manufacture of explosives, collodion etc.

  nitrocellulose
     Italian n.
     (plural of it nitrocellulosa)
     n.
     (lb en organic compound) A cotton-like material, made from cellulose
  by the action of nitric acid and sulphuric acids, used in the
  manufacture of explosives, collodion etc.

  Nitrocellulose
     Tyska n.
     bomullskrut

  Nitrocellulose /nˈɪtɾoːkˌɛluːlˌoːzə/ 
   [chem.] cellulose nitrate , nitrocellulose CN,  /tsˌeːˈɛn/
           Note: nitric acid ester of cellulose
     Synonyms: Zellulosenitrat, Cellulosenitrat, Nitrozellulose
  
           Note: Salpetersäureester der Cellulose

  nitrocellulose /nˌaɪtɹəʊsˈɛljuːlˌəʊs/
  nitrocelulóza

  nitrocellulose /nˌaɪtɹəʊsˈɛljuːlˌəʊs/ (CN /sˌiːˈɛn/)
  Zellulosenitrat , Cellulosenitrat , Nitrozellulose , Nitrocellulose  [chem.]
           Note: Salpetersäureester der Cellulose
     Synonym: cellulose nitrate
  
           Note: nitric acid ester of cellulose

  nitrocellulose /nˌaɪtɹəʊsˈɛljuːlˌəʊs/ 
  nitroselluloosa, selluloosanitraatti
  the chemical nitrocellulose

  nitrocellulose /nˌaɪtɹəʊsˈɛljuːlˌəʊs/
  1. nitrocellulóz
  2. cellulóznitrát

  nitrocellulose /nˌaɪtɹəʊsˈɛljuːlˌəʊs/ 
  cellulosanitrat

  nitrocellulose /nitʁosɛlylˈɔz/ 
  nitrocellulosa

  nitrocellulose
  nitrocellulose

  
/ˌnaɪtɹoʊˈsɛɫjəˌɫoʊs/

  n. 硝化纤维;

     n. 硝化纤维