COAL MINING | meaning in the Cambridge English Dictionary
Local coal mining has produced a high rate of disease and injury. Surface water runoff from areas affected by surface coal mining contributed to the flood. The drill can be used for coal …
COAL MINING | definition in the Cambridge English Dictionary
Local coal mining has produced a high rate of disease and injury. Surface water runoff from areas affected by surface coal mining contributed to the flood. The drill can be used for coal …
Coal mining - definition of coal mining by The Free Dictionary
Define coal mining. coal mining synonyms, coal mining pronunciation, coal mining translation, English dictionary definition of coal mining. coal mining. Translations. English: coal mining n estrazione f del carbone.
Coal Mining Terms Dictionary | The Coal Fields™
Dictionary of terms related to Coal Mining, Coal, Lease, geography, maps, the Bureau of Land Management, and The Coal Fields™.
COAL MINE | definition in the Cambridge English Dictionary
coal mine meaning: 1. the deep hole or system of holes under the ground from which coal is removed 2. the deep hole or…. Learn more.
Coal mine | Definition of Coal mine at Dictionary.com
noun. a mine or pit from which coal is obtained.
Glossary of Mining Terms - SEC.gov
Coal - A carbonaceous rock mined for use as a fuel. Coalification - The metamorphic processes of forming coal. Collar - The term applied to the timbering or concrete around the mouth of a shaft; also used to describe the top of a mill hole.
Glossary of Mining Terminology - Glace Bay
Bootleg Coal - The mining and/or selling of coal from an area not owned by the miner or without the owners permission. Bord - A chamber excavated in coal, off a balance. In some coal fields, a bord is called a room. Bore Hole - A hole of small diameter drilled or bored to explore the strata beneath, above, beside or ahead.
Coal | Definition of Coal at Dictionary.com
a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel.Compare anthracite, bituminous coal, lignite. a piece of glowing, …
Mining | Definition of Mining at Dictionary.com
verb (used without object), mined, min·ing. to dig in the earth for the purpose of extracting ores, coal, etc.; make a mine. to extract coal, ore, or the like, from a mine. to make subterranean …
Coal mining definition and meaning | Collins English ...
Aug 02, 2020 · noun the act, process, or industry of extracting coal from the earth Nuclear energy has a better safety record than coal mining.
Colliery | Definition of Colliery at Dictionary.com
noun, plural col·lier·ies. a coal mine, including all buildings and equipment.
Coal mine - definition of coal mine by The Free Dictionary
colliery, pit - a workplace consisting of a coal mine plus all the buildings and equipment connected with it mine - excavation in the earth from which ores and minerals are extracted Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
coal noun - Oxford Advanced Learners Dictionary
Culture coal mining. coal mining Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields (= areas where coal is mined) were in north-east England, the north Midlands and the valleys of South Wales, especially the Rhondda Valley.
Glossary of Mining Terms - Mineral
Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Underground coal mine | Article about Underground coal ...
coal mining, physical extraction of coal resources to yield coal; also, the business of exploring for, developing, mining, and transporting coal in any form.
coal mining | Definition, History, Types, & Facts | Britannica
Jul 07, 2020 · Coal mining, extraction of coal deposits from the surface of Earth and from underground. Schematic diagram of an underground coal mine, showing surface facilities, access shaft, and the room-and-pillar and longwall mining methods.
COAL | definition in the Cambridge English Dictionary
a hard, black substance that is dug from the earth in lumps and used as a fuel, or a single piece of this substance: [ U ] Some of those schools still use coal for their heating. (Definition of coal …