Definition of coalification in English:

coalification

noun

  • The process by which plant remains become coal.

    • ‘The humic organic matter of peat is also altered on burial, water and volatiles being lost during the process of coalification.’
    • ‘Plant fossils of the lower Pease River Flora are preserved mainly as compressions and coalifications.’
    • ‘Depending on the degree of carbon concentration and coalification, one differentiates between lignite, bituminous coal and anthracite.’

Pronunciation

coalification

/ˌkōləfəˈkāSH(ə)n/