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coalification

American  
[koh-luh-fi-key-shuhn] / ˌkoʊ lə fɪˈkeɪ ʃən /

noun

Geology.
  1. the conversion of plant material into coal by natural processes, as by diagenesis and, in some instances, metamorphism.


Etymology

Origin of coalification

First recorded in 1910–15; coal + -i- + -fication

Example Sentences

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Or does that require the special conditions of coalification?

From Scientific American

As the buried sediment compacted under pressure, water was squeezed from the peat, natural heat from the earth’s core baked it, and coal formed, a process called coalification.

From Slate