Roadheader

what is the meaning of coal mining

Coal mining definition and meaning | Collins English Dictionary

Definition of coal mining from the Collins English Dictionary Declarative, interrogative, and imperative statements Each sentence in English provides some type of information.

Coal | Definition of Coal by Merriam-Webster

Definition of coal for English Language Learners. : a black or brownish-black hard substance within the earth that is used as a fuel. : a piece of coal or charcoal especially when burning. : a glowing piece of wood from a fire.

what is the meaning of coal mining - Yahoo Answers Results

951 related questions

what is the meaning of coal mining - skinzleather.co.za

what is the meaning of coal mining. Why coal mining is resurgent in the U.S., China and India ... After a 2016 decline, coal mining is resurgent, although President Donald Trump is playing a minor role What is the logic behind the system of 'captive coal ...

Mining | Define Mining at Dictionary.com

to extract coal, ore, or the like, from a mine. to make subterranean passages. to place or lay mines, as in military or naval operations. verb (used with object), mined, minĀ·ing. to dig in (earth, rock, etc.) in order to obtain ores, coal, etc. to extract (ore, coal, etc.) from a mine. to avail oneself of or draw useful or valuable material from: to mine every reference book available in writing the term paper.

What does coal mine mean? definition, meaning and ...

Definition of coal mine in the AudioEnglish.org Dictionary. Meaning of coal mine. What does coal mine mean? Proper usage and pronunciation (in phonetic transcription) of the word coal mine.

Coal - definition of coal by The Free Dictionary

Define coal. coal synonyms, coal pronunciation, coal translation, English dictionary definition of coal. n. 1. a. ... and a coal-mine to supply the coal. ...

Mining | Definition of Mining by Merriam-Webster

Mining definition is ... Wheeler worked as a lobbyist with a client list that included Murray Energy, one of the nation's largest coal mining companies. ...

Coal | Define Coal at Dictionary.com

Coal definition, a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. See more.

Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

Mining - Wikipedia

Mining is the extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits. These deposits form a mineralized package that is of economic interest to the miner.

expressions - What is "a canary in a coal mine"? - English ...

A canary in a coal mine is an advanced warning of some ... The feeling when someone doesn't understand your meaning no matter how many different ways you explain ...

Coal mining | Britannica.com

Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries, and the industrial growth of that era in turn supported the large-scale exploitation of coal deposits.

Mining definition and meaning | Collins English Dictionary

Mining definition: Mining is the ... traditional industries such as coal mining and steel making. He was born at Aberdare in South Wales, the son of a mining engineer.

canary in a coal mine - Wiktionary

Alternative forms []. canary in the coal mine; Etymology []. An allusion to caged canaries (birds) that miners would carry down into the mine tunnels with them.

Coal mining | World Coal Association

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 underground mining.

History of coal mining : definition of History of coal mining ...

Definitions of History of coal mining, synonyms, antonyms, derivatives of History of coal mining, analogical dictionary of History of coal mining (English)

mine Meaning in the Cambridge English Dictionary

mine definition: 1. the one(s) belonging to or connected with me: 2. a hole or system of holes in the ground where substances such as coal, metal, and salt are removed: 3. a type of bomb put below the earth or in the sea that explodes when vehicles, ships, or people go over it: .

Coal mine - definition of coal mine by The Free Dictionary

At night my room is like the shaft of a coal mine, and it makes Billy Jackson look like the big diamond pin that Night fastens her kimono with.

Canary in a coal mine - Idioms by The Free Dictionary

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?

Glossary of Mining Terms - rocksandminerals.com

Glossary of Mining Terminology. A. ... In coal mining this is the intended ... In the case of incline shafts and boreholes it may mean the distance reached from the ...

KAMY

Copyright © 2017.Shanghai KAMY Mechanical And Electrical Co.,Ltd. Sitemap

Top