coalification

[ koh-luh-fi-key-shuhn ]

noun

, Geology.

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

Word History and Origins

Origin of coalification¹

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

Example Sentences

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