Coal | Definition of Coal by Merriam-Webster
Define coal: a piece of glowing carbon or charred wood : ember; charcoal — coal in a sentence
Define coal: a piece of glowing carbon or charred wood : ember; charcoal — coal in a sentence
Define coal seam: a bed of coal usually thick enough to be profitably mined
Definition of coal mine in the AudioEnglish Dictionary. Meaning of coal mine. What does coal mine mean? Proper usage and pronunciation (in …
Definition of canary in a coal mine in the Idioms Dictionary. canary in a coal mine phrase. What does canary in a coal mine expression mean? Definitions by the ...
Over 7269 million tonnes (Mt) of hard coal are currently produced worldwide and 787 Mt of lignite. Coal is mined by two methods: surface or 'opencast' mining, and ...
Definition of coal - a combustible black or dark brown rock consisting chiefly of carbonized plant matter, found mainly in underground seams and used a
Definition of canary in a coal mine in the Idioms Dictionary. canary in a coal mine phrase. What does canary in a coal mine expression mean? Definitions by the ...
These vintage coal mining photos will take you back to an America dependent on coal and the changing landscape that has overseen its rapid decline.
coal mine definition, meaning, what is coal mine: the deep hole or system of holes under the ground from which coal is removed. Learn more.
Coal mine definition, a mine or pit from which coal is obtained. See more.
Coal mining definition: the act, process, or industry of extracting coal from the earth | Meaning, pronunciation, translations and examples
Definitions of Coal mining, synonyms, antonyms, derivatives of Coal mining, analogical dictionary of Coal mining (English)
Energy Information Administration - EIA ... Coal mining productivity: ... Includes any coal that meets the IRS definition of refined coal ...
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 ...
Definitions; Battery: A structure erected of timbers, plank and a drawhole to hold back loose coal in a box and control the loading of coal by gravity feed.
Definition of coal mining in the Definitions dictionary. Meaning of coal mining. What does coal mining mean? Information and translations of coal mining in the ...
Coal Resource Classification System of the U.S ... preferred usage because the definition of bone coal does not specify ... mining coal is subtracted from ...
Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining…
Define coal. coal synonyms, coal pronunciation, coal translation, English dictionary definition of coal. n. 1. a. A natural dark brown to black graphitelike material ...
Glossary of Mining Terms ... Abutment - In coal mining, (1) ... In the case of incline shafts and boreholes it may mean the distance reached from the beginning of the ...
Define coal mine. coal mine synonyms, coal mine pronunciation, coal mine translation, English dictionary definition of coal mine. Noun 1. coal mine - a mine …
Glossary of Mining Terminology After Damp ... Inbye - A term relative to position, meaning nearer to the coal face, and opposite to the term outbye.
Mountaintop removal coal mining, often described as "strip mining on steroids," is an extremely destructive form of mining that is devastating Appalachia. In the past ...
coal deposit definition, meaning, English dictionary, synonym, see also 'coal gas',coal heaver',coal hole',Coal Measures', Reverso dictionary, English definition ...
Define coal mining (noun) and get synonyms. What is coal mining (noun)? coal mining (noun) meaning, pronunciation and more by Macmillan Dictionary
Definitions of History_of_coal_mining, synonyms, antonyms, derivatives of History_of_coal_mining, analogical dictionary of History_of_coal_mining (English)
Jan 19, 2018· Definition from Wiktionary, the free dictionary. Jump to: ... canary in a coal mine (plural canaries in a coal mine or canaries in coal mines) ...
Definition of coal mining - The action, practice, or occupation of digging for coal.