coal·​i·​fi·​ca·​tion ˌkō-lə-fə-ˈkā-shən How to pronounce coalification (audio)
: a process in which vegetable matter becomes converted into coal of increasingly higher rank with anthracite as the final product
coalify transitive verb

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of coalification was in 1901

Dictionary Entries Near coalification

Cite this Entry

“Coalification.” Dictionary, Merriam-Webster, Accessed 3 Mar. 2024.

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