ignition

== English == === Etymology === From French ignition. === Pronunciation === enPR: ĭgnĭ'shən, IPA(key): /ɪɡˈnɪʃən/ Rhymes: -ɪʃən === Noun === ignition (countable and uncountable, plural ignitions) The act of igniting. Synonym: inflammation The initiation of combustion. (automotive, mechanical engineering) A system for activating combustion in a combustion engine. (automotive) Receptacle for a key used to start the engine in a vehicle. (physics) The phenomenon of a thermonuclear fusion reaction becoming self-sustaining and no longer requiring external heating. ==== Derived terms ==== ==== Related terms ==== ==== Translations ==== == French == === Etymology === From Medieval Latin ignitiōnem (“combustion, ignition”). === Pronunciation === IPA(key): /i.ɲi.sjɔ̃/ Hyphenation: ig‧ni‧tion === Noun === ignition f (plural ignitions) ignition === Further reading === “ignition”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012