What's the difference between coak and coal?

Coak


Definition:

  • (n.) See Coke, n.
  • (n.) A kind of tenon connecting the face of a scarfed timber with the face of another timber, or a dowel or pin of hard wood or iron uniting timbers.
  • (n.) A metallic bushing or strengthening piece in the center of a wooden block sheave.
  • (v. t.) To unite, as timbers, by means of tenons or dowels in the edges or faces.

Example Sentences:

  • (1) Weight had predictive value only for COAK and only in women.
  • (2) Stepwise regression showed that age was the best predictor of both COA and COAK scores.
  • (3) The shadow defence secretary, Vernon Coake, said: "David Cameron should have chosen his words more carefully.
  • (4) Partial correlation coefficient analysis showed an association of the number of affected joints or the severity of knee COA (COAK) with both age and weight.

Coal


Definition:

  • (n.) A thoroughly charred, and extinguished or still ignited, fragment from wood or other combustible substance; charcoal.
  • (n.) A black, or brownish black, solid, combustible substance, dug from beds or veins in the earth to be used for fuel, and consisting, like charcoal, mainly of carbon, but more compact, and often affording, when heated, a large amount of volatile matter.
  • (v. t.) To burn to charcoal; to char.
  • (v. t.) To mark or delineate with charcoal.
  • (v. t.) To supply with coal; as, to coal a steamer.
  • (v. i.) To take in coal; as, the steamer coaled at Southampton.

Example Sentences:

  • (1) The biggest single source of air pollution is coal-fired power stations and China, with its large population and heavy reliance on coal power, provides $2.3tn of the annual subsidies.
  • (2) Photograph: AP Reasons for wavering • State relies on coal-fired electricity • Poor prospects for wind power • Conservative Democrat • Represents conservative district in conservative state and was elected on narrow margins Campaign support from fossil fuel interests in 2008 • $93,743 G K Butterfield (North Carolina) GK Butterfield, North Carolina.
  • (3) Nick Robins, head of the Climate Change Centre at HSBC, said: "If you think about low-carbon energy only in terms of carbon, then things look tough [in terms of not using coal].
  • (4) The fact that it is still used is regrettable yet unavoidable at present, but the average quantity is three times less than the mercury released into the atmosphere by burning the extra coal need to power equivalent incandescent bulbs.
  • (5) According to the International Energy Agency, 147m Indians will remain without electricity into 2030 under a business as usual scenario emphasising coal.
  • (6) My grandfather was a coal miner and Nana was rather plump and bossy.
  • (7) Shenhua Watermark Coal, a subsidiary of the Chinese state-owned Shenhua Group, is waiting for final approval from Hunt for a $1.2bn open-cut coalmine on the edge of the plains, a little more than three kilometres from Hamparsum’s property.
  • (8) Instead the textbook simply reads: "Traditional industries, such as shipbuilding and coal mining, declined ... during her premiership, there were a number of important economic reforms within the UK".
  • (9) In the US, electricity accounts for 39% of emissions – and 75% of that is contributed by coal.
  • (10) A survey was conducted in southern Illinois with a population of 46 coal miners and ex-coal miners ranging in age from 42 to 86 years.
  • (11) Australia’s greatest contribution to global warming is through our coal, exported and burned in foreign power stations.
  • (12) By its calorific value the mycelial waste is equal to brown coal or peat.
  • (13) The DECC believes clusters of coal and gas plants with CCS would offer efficiency because they could share the costs of building and operating pipelines to storage facilities, probably in old North Sea oil and gas fields.
  • (14) Its few remaining mines involve people digging coal out of hillsides.
  • (15) That stake in eight Indonesian coal mines represents 1GT of future carbon dioxide emissions, more than Germany’s annual output.
  • (16) This brings lads like 12-year-old Matthew Mason down from the magnificent studio his father Mark, from a coal-mining town ravaged by pit closures, lovingly built him in the back garden at Gants Hill, north-east London.
  • (17) This in turn meant frantic investment in German coal and lignite – 10 new plants are said to be opening – and a surge in Polish coal output.
  • (18) "It would be ridiculous to encourage shale gas when in reality its greenhouse gas footprint could be as bad as or worse than coal.
  • (19) We conclude that there appears to be no benefit from exceeding a concentration of 5% crude coal tar in yellow soft paraffin in the treatment of patients with psoriasis and that the plateau in the dose-response curve for the action of crude coal tar in psoriasis begins at a point between 1 and 5%.
  • (20) Engie, the owner of Rugeley coal-fired station in Staffordshire, which made the most recent closure announcement earlier this month, blamed low wholesale power prices as much as carbon taxes for its decision .