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coalification

[ koh-luh-fi-key-shuhn ]
/ ˌkoʊ lə fɪˈkeɪ ʃən /
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noun Geology.
the conversion of plant material into coal by natural processes, as by diagenesis and, in some instances, metamorphism.
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Origin of coalification

First recorded in 1910–15; coal + -i- + -fication
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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