1. ignition switch switch that operates a solenoid that closes a circuit to operate the starter
  2. ignition system the mechanism that ignites the fuel in an internal-combustion engine
  3. ignition coil an induction coil that converts current from a battery into the high-voltage current required by spark plugs
  4. ignition lock a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
  5. ignition the process of initiating combustion or catching fire
  6. auction pitch an all-fours game in which the first card led is a trump
  7. ignition key a key that operates the ignition switch of an automotive engine
  8. juxtaposition the act of positioning close together
  9. irrigation ditch a ditch to supply dry land with water artificially
  10. agnation line of descent traced through the paternal side of the family
  11. cognition the psychological result of perception and reasoning
  12. abolitionist a reformer who favors putting an end to slavery
  13. initialisation (computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position
  14. exhibitionist someone who deliberately behaves in such a way as to attract attention
  15. intuitionist of or relating to intuitionism
  16. on-off switch a hinged switch that can assume either of two positions
  17. on/off switch a hinged switch that can assume either of two positions
  18. sconcheon arch an arch that supports part of the wall
  19. auction house a firm that conducts auctions
  20. Gentianaceae chiefly herbaceous plants with showy flowers