Definition of decarbonize in US English:

decarbonize

(British decarbonise)

verb

[with object]
  • Remove carbon or carbonaceous deposits from (an engine or other metal object).

    • ‘In the original cooling or through subsequent heat treatment, a matrix can be internally decarbonized or carburized by depositing graphite on existing sites or by dissolving carbon from them.’
    • ‘Decarbonize the cylinder head with a good top engine cleaner to get rid of the deposits.’
    • ‘This machine can decarbonize any petrol engine.’
    • ‘The simple construction meant that you could motor to work, strip and decarbonise the engine during your lunch break ready to motor back home again at end of the working day’

Pronunciation

decarbonize

/diˈkɑrbəˌnaɪz//dēˈkärbəˌnīz/