the key used in a motor vehicle to turn the switch that connects the battery to the ignition system and other electrical devices
noun, Chemistry. 1. . ignition point (ĭg-nĭsh’ən) The minimum temperature at which a substance will continue to burn on its own without the application of additional external heat.
noun 1. the system in an internal-combustion engine that produces the spark to ignite the mixture of fuel and air: includes the battery, ignition coil, distributor, spark plugs, and associated switches and wiring.
[ig-nahy-tron, ig-ni-tron] /ɪgˈnaɪ trɒn, ˈɪg nɪ trɒn/ noun, Electronics. 1. a cathode-arc vacuum tube with an auxiliary electrode projecting into a pool of mercury: it conducts current when the anode is positive. /ɪɡˈnaɪtrɒn; ˈɪɡnɪˌtrɒn/ noun 1. a mercury-arc rectifier controlled by a subsidiary electrode, the igniter, partially immersed in a mercury cathode. A current passed […]
[ig-noh-buh l] /ɪgˈnoʊ bəl/ adjective 1. of low character, aims, etc.; mean; base: his ignoble purposes. 2. of low grade or quality; inferior. 3. not noble; of humble descent or rank. 4. Falconry. noting any hawk with short wings that chases or rakes after the quarry. /ɪɡˈnəʊbəl/ adjective 1. dishonourable; base; despicable 2. of low […]