| charcoal |
a carbonaceous material obtained by heating wood or other organic matter in the absence of air a stick of black carbon material used for drawing a very dark grey color draw, trace, or represent with charcoal
출처: wordnet.princeton.edu/perl/webwn
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| charcoal |
(char
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| charcoal |
The black porous residue of partly burnt wood, bones, etc; a form of carbon. When treated to purify it and increase its adsorptive power, it is called activated charcoal (qv) in which form it is added to nutrient medium in order to prevent or decrease the effect of browning.
출처: www.fao.org/docrep/003/X3910E/X3910E06.htm
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| charcoal |
A form of carbon
출처: https://wpb1.webproductionsinc.com/danforthfilter/...
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| charcoal |
The fuel used at Hopewell Furnace to melt the iron ore and limestone inside the furnace, made by burning wood in a very limited air supply. Charcoal was ideal fuel because it was almost free from sulfur and acted as part of the flux needed to smelt ore.
출처: www.nps.gov/hofu/TEACHERS/vocab.html
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