1. 
   spark gap
   [n] - a component of an ignition system 2. [n] - the gap between two high-potential terminals
   Found op http://www.webdictionary.co.uk/definition.php?query=spark%20gap
   
   
2. 
   Spark Gap
   Electrical apparatus used for the production of repeated spark discharges between the two or more electrodes forming the system; a transmitting device for generating radio frequency (R.F.) waves, commonly used in early wireless transmitter. Remained in popular usage until the advent of the Multiple...
   Found op http://www.mhs.ox.ac.uk/marconi/collection/glossary.php
   
   
3. 
   Spark gap
   Spark gap (Electricity) The space filled with air or other dielectric between high potential terminals (as of an electrostatic machine, induction coil, or condenser), through which the discharge passes; the air gap of a jump spark.
   Found op http://www.encyclo.co.uk/webster/S/154
   
   
4. 
   spark gap
   noun the gap between two high-potential terminals
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=spark%20gap
   
   
5. 
   Spark gap
   • The space filled with air or other dielectric between high potential terminals (as of an electrostatic machine, induction coil, or condenser), through which the discharge passes; the air gap of a jump spark.
   Found op http://thinkexist.com/dictionary/meaning/spark_gap/
   
   
6. 
   spark gap
   (from the article `gasoline engine`) In application it is essential that the spark gap be as specified for the particular engine. Gauges are available to aid in making this adjustment by ...
   Found op http://www.britannica.com/eb/a-z/s/136
   
   
7. 
   Spark Gap
   Electrodes found on the Haefely voltage multiplier and the accelerating column that will arc in the event of a voltage imbalance and thus prevent an arc from occurring in expensive/inaccessible components.
   Found op http://www-bdnew.fnal.gov/operations/accgloss/gloss.html
   
   
8. 
   Spark gap
   A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air, designed to allow an electric spark to pass between the conductors. When the voltage difference between the conductors exceeds the gap`s breakdown voltage, a spark forms, io...
   Found op http://en.wikipedia.org/wiki/Spark_gap
   
   
9. 
   Spark Gap
   Electrodes found on the Haefely voltage multiplier and the accelerating column that will arc in the event of a voltage imbalance and thus prevent an arc from occurring in expensive/inaccessible components.
   Found op http://www-bdnew.fnal.gov/operations/accgloss/gloss.html#A
   
   
10. 
    spark-gap
    device with two or more electrodes between which an electric discharge is initiated under specified conditions
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=151-13-33
    
    

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