Definitions

1. verb

to convert into carbon; especially to convert into a substance containing carbon

“The old iron was carbonified by years of exposure to air, turning it into a brittle, grey powder.”

2. verb

to cause to become rich in carbon; to cause to become carbonaceous

“The volcanic rocks were carbonified by the intense heat of the eruption.”

3. noun

the process of converting into carbon

“The carbonification process is essential in understanding the formation of fossil fuels.”