carburetion
noun
car·bu·re·tion ˌkär-bə-ˈrā-shən 
-byə-
: the process of mixing (as in a carburetor) the vapor of a flammable hydrocarbon (such as gasoline) with air to form an explosive mixture especially for use in an internal-combustion engine
Example Sentences
Recent Examples on the Web In the last decade, engine technology evolved from carburetion to fuel injection. 
BostonGlobe.com, 17 July 2021 The bike was plagued by finicky carburetion and the magneto shafts were forever failing, sending AJS back to the drawing board. Chuck Squatriglia, WIRED, 18 May 2011
BostonGlobe.com, 17 July 2021 The bike was plagued by finicky carburetion and the magneto shafts were forever failing, sending AJS back to the drawing board. Chuck Squatriglia, WIRED, 18 May 2011 Word History
Etymology
carburet to combine chemically with carbon, from obsolete carburet carbide
First Known Use
1906, in the meaning defined above