catflap.org Online Dictionary Query

  Injection \In*jec"tion\, n. [L. injectio : cf. F. injection.]
     1. The act of injecting or throwing in; -- applied
        particularly to the forcible insertion of a liquid or gas,
        by means of a syringe, pump, etc.
        [1913 Webster]
  
     2. That which is injected; especially, a liquid inserted
        thrown into a cavity of the body by a syringe or pipe; a
        clyster; an enema. --Mayne.
        [1913 Webster]
  
     3. (Anat.)
        (a) The act or process of filling vessels, cavities, or
            tissues with a fluid or other substance.
        (b) A specimen prepared by injection.
            [1913 Webster]
  
     4. (Steam Eng.)
        (a) The act of throwing cold water into a condenser to
            produce a vacuum.
        (b) The cold water thrown into a condenser.
            [1913 Webster]
  
     Injection cock, or Injection valve (Steam Eng.), the cock
        or valve through which cold water is admitted into a
        condenser.
  
     Injection condenser. See under Condenser.
  
     Injection pipe, the pipe through which cold water is
        through into the condenser of a steam engine.
  
     fuel injection, a method of inserting fuel into
        internal-combustion engines by directly forcing the liquid
        fuel into the combustion chamber at an appropriate point
        in the piston cycle; in contrast to carburetion, in
        which an air-fuel mixture is drawn in by the downward
        stroke of the piston.
        [1913 Webster +PJC]

  Injection \In*jec"tion\, n. [L. injectio : cf.F. injection.]
     1. The act of injecting or throwing in; -- applied
        particularly to the forcible throwing in of a liquid, or
        a["e]riform body, by means of a syringe, pump, etc.
  
     2. That which is injected; especially, a liquid medicine
        thrown into a cavity of the body by a syringe or pipe; a
        clyster; an enema. --Mayne.
  
     3. (Anat.)
        (a) The act or process of filling vessels, cavities, or
            tissues with a fluid or other substance.
        (b) A specimen prepared by injection.
  
     4. (Steam Eng.)
        (a) The act of throwing cold water into a condenser to
            produce a vacuum.
        (b) The cold water thrown into a condenser.
  
     Injection cock, or Injection valve (Steam Eng.), the cock
        or valve through which cold water is admitted into a
        condenser.
  
     Injection condenser. See under Condenser.
  
     Injection pipe, the pipe through which cold water is
        through into the condenser of a steam engine.