coalifyv.

Brit.

/ˈkəʊlᵻfʌɪ/, U.S.

/ˈkoʊləˌfaɪ/

Origin: Formed within English, by derivation. Etymons: coal n., -ify suffix.

Etymology: < coal n. + -ify suffix. Compare slightly later coalified adj.

Geology (rare before 20th cent.).

transitive. To transform (plant remains) into coal. Usually in passive. Also intransitive: to undergo coalification.

ΚΠ

1816 New Monthly Mag. Jan. 509/2 Buried trees are sometimes coalified as the Bovey coal, but very seldom.

1926 Coal Age 29 324/2 The pressure subjected by the heavy overburden changed the peat deposit into coal..and coalified the tip of the tree in the mud above the bog.

1982 N.Z. Jrnl. Geol. 25 234/1 The Paparoa coals were buried to a considerable depth and coalified, then uplifted and uncovered prior to deposition of the overlying Brunner Coal Measures.

1985 Philos. Trans. (Royal Soc.) A. 315 170 Figures 1 and 2 make it clear that the macerals coalify at varying rates at different stages of the coalification process.

2004 Amer. Jrnl. Bot. 91 1268/1 This outer portion..was impermeable so that it was not permineralized, only coalified, when mineralizing fluids entered the micropylar opening.

This is a new entry (OED Third Edition, September 2013; most recently modified version published online March 2022).

单词	coalify
释义	coalifyv. Brit. /ˈkəʊlᵻfʌɪ/, U.S. /ˈkoʊləˌfaɪ/ Origin: Formed within English, by derivation. Etymons: coal n., -ify suffix. Etymology: < coal n. + -ify suffix. Compare slightly later coalified adj. Geology (rare before 20th cent.). transitive. To transform (plant remains) into coal. Usually in passive. Also intransitive: to undergo coalification. ΚΠ 1816 New Monthly Mag. Jan. 509/2 Buried trees are sometimes coalified as the Bovey coal, but very seldom. 1926 Coal Age 29 324/2 The pressure subjected by the heavy overburden changed the peat deposit into coal..and coalified the tip of the tree in the mud above the bog. 1982 N.Z. Jrnl. Geol. 25 234/1 The Paparoa coals were buried to a considerable depth and coalified, then uplifted and uncovered prior to deposition of the overlying Brunner Coal Measures. 1985 Philos. Trans. (Royal Soc.) A. 315 170 Figures 1 and 2 make it clear that the macerals coalify at varying rates at different stages of the coalification process. 2004 Amer. Jrnl. Bot. 91 1268/1 This outer portion..was impermeable so that it was not permineralized, only coalified, when mineralizing fluids entered the micropylar opening. This is a new entry (OED Third Edition, September 2013; most recently modified version published online March 2022). < v.1816
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