coalification

1 of 2

noun

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

coalify

2 of 2

verb

coal·​i·​fy ˈkō-lə-ˌfī How to pronounce coalify (audio)
-ed/-ing/-es
: to change into coal by the process of coalification

Word History

Etymology

Verb

coal + -ify

First Known Use

Noun

1901, in the meaning defined above

Time Traveler
The first known use of coalification was in 1901

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Cite this Entry

“Coalification.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coalification. Accessed 15 Jun. 2026.

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